Tests: Remove a workaround for a Firefox XML parsing issue

Firefox 96-100 used to report the column number smaller by 2 than it should
in the `parsererror` element generated for invalid XML documents. Since that
version range is unsupported now and it includes no ESR versions, the workaround
can now be dropped.

Closes gh-5109
Ref gh-5018

diff --git a/test/unit/core.js b/test/unit/core.js
index 7f2534bb27d039553d6b7c71c2a7f7d9c21bf1dd..b4bd5838cc7fd6726a183f6f50e6b310fbdb998d 100644 (file)
--- a/test/unit/core.js
+++ b/test/unit/core.js
@@ -1456,13 +1456,7 @@ QUnit.testUnlessIE( "jQuery.parseXML - error reporting", function( assert ) {
        column = columnMatch && columnMatch[ 1 ];
 
        assert.strictEqual( line, "1", "reports error line" );
-
-       // Support: Firefox 96-97+
-       // Newer Firefox may report the column number smaller by 2 than it should.
-       // Accept both values until the issue is fixed.
-       // See https://bugzilla.mozilla.org/show_bug.cgi?id=1751796
-       assert.ok( [ "9", "11" ].indexOf( column ) > -1, "reports error column" );
-       // assert.strictEqual( column, "11", "reports error column" );
+       assert.strictEqual( column, "11", "reports error column" );
 } );
 
 testIframe(