Require a recent phpunit version in integration and acceptance

Otherwise build with PHP>8 will fail as PHPUnit 6 does not support it

Signed-off-by: Côme Chilliet <come.chilliet@nextcloud.com>

build/integration/composer.json

 {
   "require-dev": {
-    "phpunit/phpunit": "~6.5",
+    "phpunit/phpunit": "^9",
+    "dms/phpunit-arraysubset-asserts": "^0.4",
     "behat/behat": "~3.10.0",
     "guzzlehttp/guzzle": "7.4.2",
     "jarnaiz/behat-junit-formatter": "^1.3",

build/integration/features/bootstrap/AppConfiguration.php

 		$this->sendingTo('get', '/cloud/apps?filter=enabled');
 		$this->theHTTPStatusCodeShouldBe('200');
 		if ($enabled) {
-			Assert::assertContains('testing', $this->response->getBody()->getContents());
+			Assert::assertStringContainsString('testing', $this->response->getBody()->getContents());
 		} else {
-			Assert::assertNotContains('testing', $this->response->getBody()->getContents());
+			Assert::assertStringNotContainsString('testing', $this->response->getBody()->getContents());
 		}
 	}
 

build/integration/features/bootstrap/CommandLine.php

 	 * @Then /^the command output contains the text "([^"]*)"$/
 	 */
 	public function theCommandOutputContainsTheText($text) {
-		Assert::assertContains($text, $this->lastStdOut, 'The command did not output the expected text on stdout');
+		Assert::assertStringContainsString($text, $this->lastStdOut, 'The command did not output the expected text on stdout');
 	}
 
 	/**
 	 * @Then /^the command error output contains the text "([^"]*)"$/
 	 */
 	public function theCommandErrorOutputContainsTheText($text) {
-		Assert::assertContains($text, $this->lastStdErr, 'The command did not output the expected text on stderr');
+		Assert::assertStringContainsString($text, $this->lastStdErr, 'The command did not output the expected text on stderr');
 	}
 }

build/integration/features/bootstrap/CommandLineContext.php

 	 * @Then /^transfer folder name contains "([^"]+)"$/
 	 */
 	public function transferFolderNameContains($text) {
-		Assert::assertContains($text, $this->lastTransferPath);
+		Assert::assertStringContainsString($text, $this->lastTransferPath);
 	}
 }

build/integration/features/bootstrap/Provisioning.php

 					Assert::assertTrue(in_array($expected, $value['element'], true));
 				}
 			} elseif (isset($value[0])) {
-				Assert::assertEquals($setting[1], $value[0], "", 0.0, 10, true);
+				Assert::assertEqualsCanonicalizing($setting[1], $value[0]);
 			} else {
 				Assert::assertEquals('', $setting[1]);
 			}
 		foreach ($settings->getRows() as $setting) {
 			$value = json_decode(json_encode($groupDetails->{$setting[0]}), 1);
 			if (isset($value[0])) {
-				Assert::assertEquals($setting[1], $value[0], "", 0.0, 10, true);
+				Assert::assertEqualsCanonicalizing($setting[1], $value[0]);
 			} else {
 				Assert::assertEquals('', $setting[1]);
 			}
 		$this->response = $client->get($fullUrl, $options);
 		$groups = [$group];
 		$respondedArray = $this->getArrayOfGroupsResponded($this->response);
-		Assert::assertNotEquals($groups, $respondedArray, "", 0.0, 10, true);
+		Assert::assertNotEqualsCanonicalizing($groups, $respondedArray);
 		Assert::assertEquals(200, $this->response->getStatusCode());
 	}
 
 			$users = $usersList->getRows();
 			$usersSimplified = $this->simplifyArray($users);
 			$respondedArray = $this->getArrayOfUsersResponded($this->response);
-			Assert::assertEquals($usersSimplified, $respondedArray, "", 0.0, 10, true);
+			Assert::assertEqualsCanonicalizing($usersSimplified, $respondedArray);
 		}
 	}
 
 			$groups = $groupsList->getRows();
 			$groupsSimplified = $this->simplifyArray($groups);
 			$respondedArray = $this->getArrayOfGroupsResponded($this->response);
-			Assert::assertEquals($groupsSimplified, $respondedArray, "", 0.0, 10, true);
+			Assert::assertEqualsCanonicalizing($groupsSimplified, $respondedArray);
 		}
 	}
 
 			$groups = $groupsList->getRows();
 			$groupsSimplified = $this->simplifyArray($groups);
 			$respondedArray = $this->getArrayOfSubadminsResponded($this->response);
-			Assert::assertEquals($groupsSimplified, $respondedArray, "", 0.0, 10, true);
+			Assert::assertEqualsCanonicalizing($groupsSimplified, $respondedArray);
 		}
 	}
 
 			$apps = $appList->getRows();
 			$appsSimplified = $this->simplifyArray($apps);
 			$respondedArray = $this->getArrayOfAppsResponded($this->response);
-			Assert::assertEquals($appsSimplified, $respondedArray, "", 0.0, 10, true);
+			Assert::assertEqualsCanonicalizing($appsSimplified, $respondedArray);
 		}
 	}
 
 						Assert::assertFalse(in_array($expected, $value, true));
 					}
 				} else {
-					Assert::assertNotEquals($setting[1], $value[0], "", 0.0, 10, true);
+					Assert::assertNotEqualsCanonicalizing($setting[1], $value[0]);
 				}
 			} else {
 				Assert::assertNotEquals('', $setting[1]);

build/integration/features/bootstrap/Trashbin.php

  * along with this program. If not, see <http://www.gnu.org/licenses/>
  *
  */
+use DMS\PHPUnitExtensions\ArraySubset\Assert as AssertArraySubset;
 use PHPUnit\Framework\Assert;
 
 require __DIR__ . '/../../vendor/autoload.php';
 			return $item['{http://nextcloud.org/ns}trashbin-filename'];
 		}, $elementList));
 
-		Assert::assertArraySubset([$name], array_values($trashContent));
+		AssertArraySubset::assertArraySubset([$name], array_values($trashContent));
 	}
 
 	/**

tests/acceptance/composer.json

     "behat/mink": "1.8.1",
     "behat/mink-extension": "2.3.1",
     "behat/mink-selenium2-driver": "1.4.0",
-    "phpunit/phpunit": "6.5.14"
+    "phpunit/phpunit": "9.5.19"
   },
   "autoload": {
     "psr-4": {

tests/acceptance/features/bootstrap/PublicShareContext.php

 	 * @Then I see that the shared file preview shows the text :text
 	 */
 	public function iSeeThatTheSharedFilePreviewShowsTheText($text) {
-		Assert::assertContains($text, $this->actor->find(self::textPreview(), 10)->getText());
+		Assert::assertStringContainsString($text, $this->actor->find(self::textPreview(), 10)->getText());
 	}
 
 	/**