Tests: replace express with basic Node server

Close gh-5527

5 files changed, 171 insertions, 614 deletions

diff --git a/package-lock.json b/package-lock.json
index 78ba26d85..1f94ca4e9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -18,7 +18,6 @@
         "@swc/core": "1.7.0",
         "@types/selenium-webdriver": "4.1.24",
         "archiver": "7.0.1",
-        "body-parser": "1.20.2",
         "bootstrap": "5.3.3",
         "browserstack-local": "1.5.5",
         "chalk": "5.3.0",
@@ -32,8 +31,6 @@
         "eslint-config-jquery": "3.0.2",
         "eslint-plugin-import": "2.29.1",
         "exit-hook": "4.0.0",
-        "express": "4.19.2",
-        "express-body-parser-error-handler": "1.0.7",
         "globals": "15.8.0",
         "husky": "9.1.1",
         "jsdom": "24.1.1",
@@ -1735,25 +1732,6 @@
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-    "node_modules/@types/body-parser": {
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-      "dev": true,
-      "dependencies": {
-        "@types/connect": "*",
-        "@types/node": "*"
-      }
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-    "node_modules/@types/connect": {
-      "version": "3.4.38",
-      "resolved": "https://registry.npmjs.org/@types/connect/-/connect-3.4.38.tgz",
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-      "dev": true,
-      "dependencies": {
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     "node_modules/@types/eslint": {
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-    "node_modules/@types/express": {
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-      "resolved": "https://registry.npmjs.org/@types/express/-/express-4.17.21.tgz",
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-      "dev": true,
-      "dependencies": {
-        "@types/body-parser": "*",
-        "@types/express-serve-static-core": "^4.17.33",
-        "@types/qs": "*",
-        "@types/serve-static": "*"
-      }
-    },
-    "node_modules/@types/express-serve-static-core": {
-      "version": "4.19.5",
-      "resolved": "https://registry.npmjs.org/@types/express-serve-static-core/-/express-serve-static-core-4.19.5.tgz",
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-      "dev": true,
-      "dependencies": {
-        "@types/node": "*",
-        "@types/qs": "*",
-        "@types/range-parser": "*",
-        "@types/send": "*"
-      }
-    },
     "node_modules/@types/http-cache-semantics": {
       "version": "4.0.4",
       "resolved": "https://registry.npmjs.org/@types/http-cache-semantics/-/http-cache-semantics-4.0.4.tgz",
       "integrity": "sha512-1m0bIFVc7eJWyve9S0RnuRgcQqF/Xd5QsUZAZeQFr1Q3/p9JWoQQEqmVy+DPTNpGXwhgIetAoYF8JSc33q29QA==",
       "dev": true
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-    "node_modules/@types/http-errors": {
-      "version": "2.0.4",
-      "resolved": "https://registry.npmjs.org/@types/http-errors/-/http-errors-2.0.4.tgz",
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-      "dev": true
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     "node_modules/@types/json-schema": {
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@@ -1828,12 +1776,6 @@
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-    "node_modules/@types/mime": {
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-      "dev": true
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     "node_modules/@types/node": {
       "version": "20.14.11",
       "resolved": "https://registry.npmjs.org/@types/node/-/node-20.14.11.tgz",
@@ -1843,18 +1785,6 @@
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-      "resolved": "https://registry.npmjs.org/@types/qs/-/qs-6.9.15.tgz",
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-      "dev": true
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-    "node_modules/@types/range-parser": {
-      "version": "1.2.7",
-      "resolved": "https://registry.npmjs.org/@types/range-parser/-/range-parser-1.2.7.tgz",
-      "integrity": "sha512-hKormJbkJqzQGhziax5PItDUTMAM9uE2XXQmM37dyd4hVM+5aVl7oVxMVUiVQn2oCQFN/LKCZdvSM0pFRqbSmQ==",
-      "dev": true
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       "resolved": "https://registry.npmjs.org/@types/resolve/-/resolve-1.20.2.tgz",
@@ -1871,27 +1801,6 @@
         "@types/ws": "*"
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-    "node_modules/@types/send": {
-      "version": "0.17.4",
-      "resolved": "https://registry.npmjs.org/@types/send/-/send-0.17.4.tgz",
-      "integrity": "sha512-x2EM6TJOybec7c52BX0ZspPodMsQUd5L6PRwOunVyVUhXiBSKf3AezDL8Dgvgt5o0UfKNfuA0eMLr2wLT4AiBA==",
-      "dev": true,
-      "dependencies": {
-        "@types/mime": "^1",
-        "@types/node": "*"
-      }
-    },
-    "node_modules/@types/serve-static": {
-      "version": "1.15.7",
-      "resolved": "https://registry.npmjs.org/@types/serve-static/-/serve-static-1.15.7.tgz",
-      "integrity": "sha512-W8Ym+h8nhuRwaKPaDw34QUkwsGi6Rc4yYqvKFo5rm2FUEhCFbzVWrxXUxuKK8TASjWsysJY0nsmNCGhCOIsrOw==",
-      "dev": true,
-      "dependencies": {
-        "@types/http-errors": "*",
-        "@types/node": "*",
-        "@types/send": "*"
-      }
-    },
     "node_modules/@types/ws": {
       "version": "8.5.11",
       "resolved": "https://registry.npmjs.org/@types/ws/-/ws-8.5.11.tgz",
@@ -2077,19 +1986,6 @@
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       }
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-    "node_modules/accepts": {
-      "version": "1.3.8",
-      "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.8.tgz",
-      "integrity": "sha512-PYAthTa2m2VKxuvSD3DPC/Gy+U+sOA1LAuT8mkmRuvw+NACSaeXEQ+NHcVF7rONl6qcaxV3Uuemwawk+7+SJLw==",
-      "dev": true,
-      "dependencies": {
-        "mime-types": "~2.1.34",
-        "negotiator": "0.6.3"
-      },
-      "engines": {
-        "node": ">= 0.6"
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-    },
     "node_modules/acorn": {
       "version": "8.12.1",
       "resolved": "https://registry.npmjs.org/acorn/-/acorn-8.12.1.tgz",
@@ -2326,12 +2222,6 @@
         "url": "https://github.com/sponsors/ljharb"
       }
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@@ -2594,45 +2484,6 @@
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-        "http-errors": "2.0.0",
-        "iconv-lite": "0.4.24",
-        "on-finished": "2.4.1",
-        "qs": "6.11.0",
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-        "unpipe": "1.0.0"
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@@ -3410,48 +3261,12 @@
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@@ -4173,12 +3963,6 @@
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@@ -4566,15 +4350,6 @@
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@@ -4831,39 +4540,6 @@
         "node": ">=8"
       }
     },
-    "node_modules/finalhandler": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/finalhandler/-/finalhandler-1.2.0.tgz",
-      "integrity": "sha512-5uXcUVftlQMFnWC9qu/svkWv3GTd2PfUhK/3PLkYNAe7FbqJMt3515HaxE6eRL74GdsriiwujiawdaB1BpEISg==",
-      "dev": true,
-      "dependencies": {
-        "debug": "2.6.9",
-        "encodeurl": "~1.0.2",
-        "escape-html": "~1.0.3",
-        "on-finished": "2.4.1",
-        "parseurl": "~1.3.3",
-        "statuses": "2.0.1",
-        "unpipe": "~1.0.0"
-      },
-      "engines": {
-        "node": ">= 0.8"
-      }
-    },
-    "node_modules/finalhandler/node_modules/debug": {
-      "version": "2.6.9",
-      "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
-      "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
-      "dev": true,
-      "dependencies": {
-        "ms": "2.0.0"
-      }
-    },
-    "node_modules/finalhandler/node_modules/ms": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
-      "integrity": "sha512-Tpp60P6IUJDTuOq/5Z8cdskzJujfwqfOTkrwIwj7IRISpnkJnT6SyJ4PCPnGMoFjC9ddhal5KVIYtAt97ix05A==",
-      "dev": true
-    },
     "node_modules/find-up": {
       "version": "5.0.0",
       "resolved": "https://registry.npmjs.org/find-up/-/find-up-5.0.0.tgz",
@@ -4986,24 +4662,6 @@
         "node": ">=12.20.0"
       }
     },
-    "node_modules/forwarded": {
-      "version": "0.2.0",
-      "resolved": "https://registry.npmjs.org/forwarded/-/forwarded-0.2.0.tgz",
-      "integrity": "sha512-buRG0fpBtRHSTCOASe6hD258tEubFoRLb4ZNA6NxMVHNw2gOcwHo9wyablzMzOA5z9xA9L1KNjk/Nt6MT9aYow==",
-      "dev": true,
-      "engines": {
-        "node": ">= 0.6"
-      }
-    },
-    "node_modules/fresh": {
-      "version": "0.5.2",
-      "resolved": "https://registry.npmjs.org/fresh/-/fresh-0.5.2.tgz",
-      "integrity": "sha512-zJ2mQYM18rEFOudeV4GShTGIQ7RbzA7ozbU9I/XBpm7kqgMywgmylMwXHxZJmkVoYkna9d2pVXVXPdYTP9ej8Q==",
-      "dev": true,
-      "engines": {
-        "node": ">= 0.6"
-      }
-    },
     "node_modules/from": {
       "version": "0.1.7",
       "resolved": "https://registry.npmjs.org/from/-/from-0.1.7.tgz",
@@ -5963,15 +5621,6 @@
         "node": ">= 12"
       }
     },
-    "node_modules/ipaddr.js": {
-      "version": "1.9.1",
-      "resolved": "https://registry.npmjs.org/ipaddr.js/-/ipaddr.js-1.9.1.tgz",
-      "integrity": "sha512-0KI/607xoxSToH7GjN1FfSbLoU0+btTicjsQSWQlh/hZykN8KpmMf7uYwPW3R+akZ6R/w18ZlXSHBYXiYUPO3g==",
-      "dev": true,
-      "engines": {
-        "node": ">= 0.10"
-      }
-    },
     "node_modules/is-arguments": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/is-arguments/-/is-arguments-1.1.1.tgz",
@@ -7096,21 +6745,6 @@
         "node": ">= 18"
       }
     },
-    "node_modules/media-typer": {
-      "version": "0.3.0",
-      "resolved": "https://registry.npmjs.org/media-typer/-/media-typer-0.3.0.tgz",
-      "integrity": "sha512-dq+qelQ9akHpcOl/gUVRTxVIOkAJ1wR3QAvb4RsVjS8oVoFjDGTc679wJYmUmknUF5HwMLOgb5O+a3KxfWapPQ==",
-      "dev": true,
-      "engines": {
-        "node": ">= 0.6"
-      }
-    },
-    "node_modules/merge-descriptors": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/merge-descriptors/-/merge-descriptors-1.0.1.tgz",
-      "integrity": "sha512-cCi6g3/Zr1iqQi6ySbseM1Xvooa98N0w31jzUYrXPX2xqObmFGHJ0tQ5u74H3mVh7wLouTseZyYIq39g8cNp1w==",
-      "dev": true
-    },
     "node_modules/merge-stream": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/merge-stream/-/merge-stream-2.0.0.tgz",
@@ -7126,15 +6760,6 @@
         "node": ">= 8"
       }
     },
-    "node_modules/methods": {
-      "version": "1.1.2",
-      "resolved": "https://registry.npmjs.org/methods/-/methods-1.1.2.tgz",
-      "integrity": "sha512-iclAHeNqNm68zFtnZ0e+1L2yUIdvzNoauKU4WBA3VvH/vPFieF7qfRlwUZU+DA9P9bPXIS90ulxoUoCH23sV2w==",
-      "dev": true,
-      "engines": {
-        "node": ">= 0.6"
-      }
-    },
     "node_modules/micromatch": {
       "version": "4.0.7",
       "resolved": "https://registry.npmjs.org/micromatch/-/micromatch-4.0.7.tgz",
@@ -7148,18 +6773,6 @@
         "node": ">=8.6"
       }
     },
-    "node_modules/mime": {
-      "version": "1.6.0",
-      "resolved": "https://registry.npmjs.org/mime/-/mime-1.6.0.tgz",
-      "integrity": "sha512-x0Vn8spI+wuJ1O6S7gnbaQg8Pxh4NNHb7KSINmEWKiPE4RKOplvijn+NkmYmmRgP68mc70j2EbeTFRsrswaQeg==",
-      "dev": true,
-      "bin": {
-        "mime": "cli.js"
-      },
-      "engines": {
-        "node": ">=4"
-      }
-    },
     "node_modules/mime-db": {
       "version": "1.52.0",
       "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.52.0.tgz",
@@ -7433,15 +7046,6 @@
       "integrity": "sha512-OWND8ei3VtNC9h7V60qff3SVobHr996CTwgxubgyQYEpg290h9J0buyECNNJexkFm5sOajh5G116RYA1c8ZMSw==",
       "dev": true
     },
-    "node_modules/negotiator": {
-      "version": "0.6.3",
-      "resolved": "https://registry.npmjs.org/negotiator/-/negotiator-0.6.3.tgz",
-      "integrity": "sha512-+EUsqGPLsM+j/zdChZjsnX51g4XrHFOIXwfnCVPGlQk/k5giakcKsuxCObBRu6DSm9opw/O6slWbJdghQM4bBg==",
-      "dev": true,
-      "engines": {
-        "node": ">= 0.6"
-      }
-    },
     "node_modules/neo-async": {
       "version": "2.6.2",
       "resolved": "https://registry.npmjs.org/neo-async/-/neo-async-2.6.2.tgz",
@@ -7706,18 +7310,6 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
-    "node_modules/on-finished": {
-      "version": "2.4.1",
-      "resolved": "https://registry.npmjs.org/on-finished/-/on-finished-2.4.1.tgz",
-      "integrity": "sha512-oVlzkg3ENAhCk2zdv7IJwd/QUD4z2RxRwpkcGY8psCVcCYZNq4wYnVWALHM+brtuJjePWiYF/ClmuDr8Ch5+kg==",
-      "dev": true,
-      "dependencies": {
-        "ee-first": "1.1.1"
-      },
-      "engines": {
-        "node": ">= 0.8"
-      }
-    },
     "node_modules/once": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
@@ -8073,15 +7665,6 @@
         "url": "https://github.com/inikulin/parse5?sponsor=1"
       }
     },
-    "node_modules/parseurl": {
-      "version": "1.3.3",
-      "resolved": "https://registry.npmjs.org/parseurl/-/parseurl-1.3.3.tgz",
-      "integrity": "sha512-CiyeOxFT/JZyN5m0z9PfXw4SCBJ6Sygz1Dpl0wqjlhDEGGBP1GnsUVEL0p63hoG1fcj3fHynXi9NYO4nWOL+qQ==",
-      "dev": true,
-      "engines": {
-        "node": ">= 0.8"
-      }
-    },
     "node_modules/path-exists": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/path-exists/-/path-exists-4.0.0.tgz",
@@ -8137,12 +7720,6 @@
       "integrity": "sha512-JNAzZcXrCt42VGLuYz0zfAzDfAvJWW6AfYlDBQyDV5DClI2m5sAmK+OIO7s59XfsRsWHp02jAJrRadPRGTt6SQ==",
       "dev": true
     },
-    "node_modules/path-to-regexp": {
-      "version": "0.1.7",
-      "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-0.1.7.tgz",
-      "integrity": "sha512-5DFkuoqlv1uYQKxy8omFBeJPQcdoE07Kv2sferDCrAq1ohOU+MSDswDIbnx3YAM60qIOnYa53wBhXW0EbMonrQ==",
-      "dev": true
-    },
     "node_modules/path-type": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/path-type/-/path-type-4.0.0.tgz",
@@ -8263,19 +7840,6 @@
       "integrity": "sha512-/XJ368cyBJ7fzLMwLKv1e4vLxOju2MNAIokcr7meSaNcVbWz/CPcW22cP04mwxOErdA5mwjA8Q6w/cdAQxVn7Q==",
       "dev": true
     },
-    "node_modules/proxy-addr": {
-      "version": "2.0.7",
-      "resolved": "https://registry.npmjs.org/proxy-addr/-/proxy-addr-2.0.7.tgz",
-      "integrity": "sha512-llQsMLSUDUPT44jdrU/O37qlnifitDP+ZwrmmZcoSKyLKvtZxpyV0n2/bD/N4tBAAZ/gJEdZU7KMraoK1+XYAg==",
-      "dev": true,
-      "dependencies": {
-        "forwarded": "0.2.0",
-        "ipaddr.js": "1.9.1"
-      },
-      "engines": {
-        "node": ">= 0.10"
-      }
-    },
     "node_modules/proxy-agent": {
       "version": "6.4.0",
       "resolved": "https://registry.npmjs.org/proxy-agent/-/proxy-agent-6.4.0.tgz",
@@ -8391,21 +7955,6 @@
         "teleport": ">=0.2.0"
       }
     },
-    "node_modules/qs": {
-      "version": "6.11.0",
-      "resolved": "https://registry.npmjs.org/qs/-/qs-6.11.0.tgz",
-      "integrity": "sha512-MvjoMCJwEarSbUYk5O+nmoSzSutSsTwF85zcHPQ9OrlFoZOYIjaqBAJIqIXjptyD5vThxGq52Xu/MaJzRkIk4Q==",
-      "dev": true,
-      "dependencies": {
-        "side-channel": "^1.0.4"
-      },
-      "engines": {
-        "node": ">=0.6"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/ljharb"
-      }
-    },
     "node_modules/querystringify": {
       "version": "2.2.0",
       "resolved": "https://registry.npmjs.org/querystringify/-/querystringify-2.2.0.tgz",
@@ -8494,15 +8043,6 @@
         "safe-buffer": "^5.1.0"
       }
     },
-    "node_modules/range-parser": {
-      "version": "1.2.1",
-      "resolved": "https://registry.npmjs.org/range-parser/-/range-parser-1.2.1.tgz",
-      "integrity": "sha512-Hrgsx+orqoygnmhFbKaHE6c296J+HTAQXoxEF6gNupROmmGJRoyzfG3ccAveqCBrwr/2yxQ5BVd/GTl5agOwSg==",
-      "dev": true,
-      "engines": {
-        "node": ">= 0.6"
-      }
-    },
     "node_modules/raw-body": {
       "version": "2.5.2",
       "resolved": "https://registry.npmjs.org/raw-body/-/raw-body-2.5.2.tgz",
@@ -9302,51 +8842,6 @@
         "node": ">=10"
       }
     },
-    "node_modules/send": {
-      "version": "0.18.0",
-      "resolved": "https://registry.npmjs.org/send/-/send-0.18.0.tgz",
-      "integrity": "sha512-qqWzuOjSFOuqPjFe4NOsMLafToQQwBSOEpS+FwEt3A2V3vKubTquT3vmLTQpFgMXp8AlFWFuP1qKaJZOtPpVXg==",
-      "dev": true,
-      "dependencies": {
-        "debug": "2.6.9",
-        "depd": "2.0.0",
-        "destroy": "1.2.0",
-        "encodeurl": "~1.0.2",
-        "escape-html": "~1.0.3",
-        "etag": "~1.8.1",
-        "fresh": "0.5.2",
-        "http-errors": "2.0.0",
-        "mime": "1.6.0",
-        "ms": "2.1.3",
-        "on-finished": "2.4.1",
-        "range-parser": "~1.2.1",
-        "statuses": "2.0.1"
-      },
-      "engines": {
-        "node": ">= 0.8.0"
-      }
-    },
-    "node_modules/send/node_modules/debug": {
-      "version": "2.6.9",
-      "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
-      "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
-      "dev": true,
-      "dependencies": {
-        "ms": "2.0.0"
-      }
-    },
-    "node_modules/send/node_modules/debug/node_modules/ms": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
-      "integrity": "sha512-Tpp60P6IUJDTuOq/5Z8cdskzJujfwqfOTkrwIwj7IRISpnkJnT6SyJ4PCPnGMoFjC9ddhal5KVIYtAt97ix05A==",
-      "dev": true
-    },
-    "node_modules/send/node_modules/ms": {
-      "version": "2.1.3",
-      "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
-      "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA==",
-      "dev": true
-    },
     "node_modules/serialize-javascript": {
       "version": "6.0.2",
       "resolved": "https://registry.npmjs.org/serialize-javascript/-/serialize-javascript-6.0.2.tgz",
@@ -9356,21 +8851,6 @@
         "randombytes": "^2.1.0"
       }
     },
-    "node_modules/serve-static": {
-      "version": "1.15.0",
-      "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.15.0.tgz",
-      "integrity": "sha512-XGuRDNjXUijsUL0vl6nSD7cwURuzEgglbOaFuZM9g3kwDXOWVTck0jLzjPzGD+TazWbboZYu52/9/XPdUgne9g==",
-      "dev": true,
-      "dependencies": {
-        "encodeurl": "~1.0.2",
-        "escape-html": "~1.0.3",
-        "parseurl": "~1.3.3",
-        "send": "0.18.0"
-      },
-      "engines": {
-        "node": ">= 0.8.0"
-      }
-    },
     "node_modules/set-function-length": {
       "version": "1.2.2",
       "resolved": "https://registry.npmjs.org/set-function-length/-/set-function-length-1.2.2.tgz",
@@ -10168,19 +9648,6 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
-    "node_modules/type-is": {
-      "version": "1.6.18",
-      "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.18.tgz",
-      "integrity": "sha512-TkRKr9sUTxEH8MdfuCSP7VizJyzRNMjj2J2do2Jr3Kym598JVdEksuzPQCnlFPW4ky9Q+iA+ma9BGm06XQBy8g==",
-      "dev": true,
-      "dependencies": {
-        "media-typer": "0.3.0",
-        "mime-types": "~2.1.24"
-      },
-      "engines": {
-        "node": ">= 0.6"
-      }
-    },
     "node_modules/typed-array-buffer": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/typed-array-buffer/-/typed-array-buffer-1.0.2.tgz",
@@ -10468,24 +9935,6 @@
       "integrity": "sha512-EPD5q1uXyFxJpCrLnCc1nHnq3gOa6DZBocAIiI2TaSCA7VCJ1UJDMagCzIkXNsUYfD1daK//LTEQ8xiIbrHtcw==",
       "dev": true
     },
-    "node_modules/utils-merge": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.1.tgz",
-      "integrity": "sha512-pMZTvIkT1d+TFGvDOqodOclx0QWkkgi6Tdoa8gC8ffGAAqz9pzPTZWAybbsHHoED/ztMtkv/VoYTYyShUn81hA==",
-      "dev": true,
-      "engines": {
-        "node": ">= 0.4.0"
-      }
-    },
-    "node_modules/vary": {
-      "version": "1.1.2",
-      "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
-      "integrity": "sha512-BNGbWLfd0eUPabhkXUVm0j8uuvREyTh5ovRa/dyow/BqAbZJyC+5fU+IzQOzmAKzYqYRAISoRhdQr3eIZ/PXqg==",
-      "dev": true,
-      "engines": {
-        "node": ">= 0.8"
-      }
-    },
     "node_modules/w3c-xmlserializer": {
       "version": "5.0.0",
       "resolved": "https://registry.npmjs.org/w3c-xmlserializer/-/w3c-xmlserializer-5.0.0.tgz",
diff --git a/package.json b/package.json
index c7c9e963b..b24fe6532 100644
--- a/package.json
+++ b/package.json
@@ -110,7 +110,6 @@
     "@swc/core": "1.7.0",
     "@types/selenium-webdriver": "4.1.24",
     "archiver": "7.0.1",
-    "body-parser": "1.20.2",
     "bootstrap": "5.3.3",
     "browserstack-local": "1.5.5",
     "chalk": "5.3.0",
@@ -124,8 +123,6 @@
     "eslint-config-jquery": "3.0.2",
     "eslint-plugin-import": "2.29.1",
     "exit-hook": "4.0.0",
-    "express": "4.19.2",
-    "express-body-parser-error-handler": "1.0.7",
     "globals": "15.8.0",
     "husky": "9.1.1",
     "jsdom": "24.1.1",
diff --git a/test/middleware-mockserver.cjs b/test/middleware-mockserver.cjs
index 0b513f042..73aaa5656 100644
--- a/test/middleware-mockserver.cjs
+++ b/test/middleware-mockserver.cjs
@@ -179,16 +179,7 @@ const mocks = {
 			"constructor": "prototype collision (constructor)"
 		};
 
-		// Use resp.append in express to
-		// avoid overwriting List-Header
-		if ( resp.append ) {
-
-			for ( const key in headers ) {
-				resp.append( key, headers[ key ] );
-			}
-		} else {
-			resp.writeHead( 200, headers );
-		}
+		resp.writeHead( 200, headers );
 		req.query.keys.split( "|" ).forEach( function( key ) {
 			if ( key.toLowerCase() in req.headers ) {
 				resp.write( `${ key }: ${ req.headers[ key.toLowerCase() ] }\n` );
@@ -348,11 +339,7 @@ const handlers = {
 
 /**
  * Connect-compatible middleware factory for mocking server responses.
- * Used by Ajax unit tests when run via Karma.
- *
- * Despite Karma using Express, it uses Connect to deal with custom middleware,
- * which passes the raw Node Request and Response objects instead of the
- * Express versions of these (e.g. no req.path, req.query, resp.set).
+ * Used by Ajax tests run in Node.
  */
 function MockserverMiddlewareFactory() {
 
diff --git a/test/runner/createTestServer.js b/test/runner/createTestServer.js
index 8021db40f..9b9810bcb 100644
--- a/test/runner/createTestServer.js
+++ b/test/runner/createTestServer.js
@@ -1,70 +1,192 @@
-import bodyParser from "body-parser";
-import express from "express";
-import bodyParserErrorHandler from "express-body-parser-error-handler";
-import { readFile } from "node:fs/promises";
+import http from "node:http";
+import { readFile, stat } from "node:fs/promises";
+import { createReadStream } from "node:fs";
 import mockServer from "../middleware-mockserver.cjs";
+import getRawBody from "raw-body";
 
-export async function createTestServer( report ) {
-	const nameHTML = await readFile( "./test/data/name.html", "utf8" );
+export async function createTestServer( report, { quiet } = {} ) {
 	const indexHTML = await readFile( "./test/index.html", "utf8" );
-	const app = express();
+
+	// Support connect-style middleware
+	const middlewares = [];
+	function use( middleware ) {
+		middlewares.push( middleware );
+	}
+
+	function run( req, res ) {
+		let i = 0;
+
+		// Log responses unless quiet is set
+		if ( !quiet ) {
+			const originalEnd = res.end;
+			res.end = function( ...args ) {
+				console.log( `${ req.method } ${ req.url } ${ this.statusCode }` );
+				originalEnd.call( this, ...args );
+			};
+		}
+
+		// Add a parsed URL object to the request object
+		req.parsedUrl = new URL(
+			`http://${ process.env.HOST ?? "localhost" }${ req.url }`
+		);
+
+		// Add a simplified redirect helper to the response object
+		res.redirect = ( status, location ) => {
+			if ( !location ) {
+				location = status;
+				status = 303;
+			}
+
+			res.writeHead( status, { Location: location } );
+			res.end();
+		};
+
+		const next = () => {
+			const middleware = middlewares[ i++ ];
+			if ( middleware ) {
+				try {
+					middleware( req, res, next );
+				} catch ( error ) {
+					console.error( error );
+					res.writeHead( 500, { "Content-Type": "application/json" } );
+					res.end( "Internal Server Error" );
+				}
+			} else {
+				res.writeHead( 404 );
+				res.end();
+			}
+		};
+
+		next();
+	}
 
 	// Redirect home to test page
-	app.get( "/", ( _req, res ) => {
-		res.redirect( "/test/" );
+	use( ( req, res, next ) => {
+		if ( req.parsedUrl.pathname === "/" ) {
+			res.redirect( "/test/" );
+		} else {
+			next();
+		}
 	} );
 
 	// Redirect to trailing slash
-	app.use( ( req, res, next ) => {
-		if ( req.path === "/test" ) {
-			const query = req.url.slice( req.path.length );
-			res.redirect( 301, `${ req.path }/${ query }` );
+	use( ( req, res, next ) => {
+		if ( req.parsedUrl.pathname === "/test" ) {
+			res.redirect( 308, `${ req.parsedUrl.pathname }/${ req.parsedUrl.search }` );
 		} else {
 			next();
 		}
 	} );
 
 	// Add a script tag to the index.html to load the QUnit listeners
-	app.use( /\/test(?:\/index.html)?\//, ( _req, res ) => {
-		res.send(
-			indexHTML.replace(
-				"</head>",
-				"<script src=\"/test/runner/listeners.js\"></script></head>"
-			)
-		);
+	use( ( req, res, next ) => {
+		if (
+			( req.method === "GET" || req.method === "HEAD" ) &&
+			( req.parsedUrl.pathname === "/test/" ||
+				req.parsedUrl.pathname === "/test/index.html" )
+		) {
+			res.writeHead( 200, { "Content-Type": "text/html" } );
+			res.end(
+				indexHTML.replace(
+					"</head>",
+					"<script src=\"/test/runner/listeners.js\"></script></head>"
+				)
+			);
+		} else {
+			next();
+		}
 	} );
 
 	// Bind the reporter
-	app.post(
-		"/api/report",
-		bodyParser.json( { limit: "50mb" } ),
-		async( req, res ) => {
-			if ( report ) {
-				const response = await report( req.body );
-				if ( response ) {
-					res.json( response );
-					return;
-				}
+	use( async( req, res, next ) => {
+		if ( req.url !== "/api/report" || req.method !== "POST" ) {
+			return next();
+		}
+		let body;
+		try {
+			body = JSON.parse( await getRawBody( req ) );
+		} catch ( error ) {
+			if ( error.code === "ECONNABORTED" ) {
+				return;
 			}
-			res.sendStatus( 204 );
+			console.error( error );
+			res.writeHead( 400, { "Content-Type": "application/json" } );
+			res.end( JSON.stringify( { error: "Invalid JSON" } ) );
+			return;
 		}
-	);
-
-	// Handle errors from the body parser
-	app.use( bodyParserErrorHandler() );
+		const response = await report( body );
+		if ( response ) {
+			res.writeHead( 200, { "Content-Type": "application/json" } );
+			res.end( JSON.stringify( response ) );
+		} else {
+			res.writeHead( 204 );
+			res.end();
+		}
+	} );
 
 	// Hook up mock server
-	app.use( mockServer() );
+	use( mockServer() );
 
 	// Serve static files
-	app.post( "/test/data/name.html", ( _req, res ) => {
-		res.send( nameHTML );
-	} );
+	const validMimeTypes = {
+
+		// No .mjs or .cjs files are used in tests
+		".js": "application/javascript",
+		".css": "text/css",
+		".html": "text/html",
+		".xml": "application/xml",
+		".xhtml": "application/xhtml+xml",
+		".jpg": "image/jpeg",
+		".png": "image/png",
+		".svg": "image/svg+xml",
+		".ico": "image/x-icon",
+		".map": "application/json",
+		".txt": "text/plain",
+		".log": "text/plain"
+	};
+	use( async( req, res, next ) => {
+		if (
+			!req.url.startsWith( "/dist/" ) &&
+			!req.url.startsWith( "/src/" ) &&
+			!req.url.startsWith( "/test/" ) &&
+			!req.url.startsWith( "/external/" )
+		) {
+			return next();
+		}
+		const file = req.parsedUrl.pathname.slice( 1 );
+		const ext = file.slice( file.lastIndexOf( "." ) );
 
-	app.use( "/dist", express.static( "dist" ) );
-	app.use( "/src", express.static( "src" ) );
-	app.use( "/test", express.static( "test" ) );
-	app.use( "/external", express.static( "external" ) );
+		// Allow POST to .html files in tests
+		if (
+			req.method !== "GET" &&
+			req.method !== "HEAD" &&
+			( ext !== ".html" || req.method !== "POST" )
+		) {
+			return next();
+		}
+		const mimeType = validMimeTypes[ ext ];
+		if ( mimeType ) {
+			try {
+				await stat( file );
+			} catch ( error ) {
+				res.writeHead( 404 );
+				res.end();
+				return;
+			}
+			res.writeHead( 200, { "Content-Type": mimeType } );
+			createReadStream( file )
+				.pipe( res )
+				.on( "error", ( error ) => {
+					console.error( error );
+					res.writeHead( 500 );
+					res.end();
+				} );
+		} else {
+			console.error( `Invalid file extension: ${ ext }` );
+			res.writeHead( 404 );
+			res.end();
+		}
+	} );
 
-	return app;
+	return http.createServer( run );
 }
diff --git a/test/runner/run.js b/test/runner/run.js
index 27845547c..4ee0bac2a 100644
--- a/test/runner/run.js
+++ b/test/runner/run.js
@@ -137,7 +137,9 @@ export async function run( {
 			default:
 				console.warn( "Received unknown message type:", message.type );
 		}
-	} );
+
+	// Hide test server request logs in CLI output
+	}, { quiet: true } );
 
 	// Start up local test server
 	let server;