Tests: Skip the jQuery.parseXML error reporting test in Legacy Edge

Legacy Edge, similarly to IE, doesn't report XML parsing errors but just tries
to render the invalid document. Skip the error reporting test there, Edge Legacy
will return a generic "Invalid XML" error, just like IE.

Ref gh-4816

1 files changed, 6 insertions, 3 deletions

diff --git a/test/unit/core.js b/test/unit/core.js
index a510c6b22..e45e493e0 100644
--- a/test/unit/core.js
+++ b/test/unit/core.js
@@ -1429,11 +1429,14 @@ QUnit.test( "jQuery.parseXML", function( assert ) {
 	}
 } );
 
-// Support: IE 11+
+// Support: IE 11+, Edge 12 - 18 only
 // IE throws an error when parsing invalid XML instead of reporting the error
-// in a `parsererror` element, skip the test there.
+// in a `parsererror` element, IE & Legacy Edge don't report errors in a parsererror
+// element; skip the test there.
 QUnit[
-	document.documentMode ? "skip" : "test"
+	document.documentMode || /edge\//i.test( navigator.userAgent ) ?
+		"skip" :
+		"test"
 ]( "jQuery.parseXML - error reporting", function( assert ) {
 	assert.expect( 2 );