parserTests: Avoid problematic language in comments

Bug: T277986
Change-Id: I1e079d670ecfb5338223a26df507427b45e28121

tests/parser/ParserTestRunner.php

@@ -1473,7 +1473,7 @@ class ParserTestRunner {
 			$this->db->timestamp( '20010115123500' )
 		);
 
-		# This image will be blacklisted in [[MediaWiki:Bad image list]]
+		# This image will be prohibited via the list in [[MediaWiki:Bad image list]]
 		$image = $localRepo->newFile( Title::makeTitle( NS_FILE, 'Bad.jpg' ) );
 		$image->recordUpload3(
 			'',

tests/parser/legacyMediaParserTests.txt

@@ -3085,8 +3085,8 @@ Special characters in embedded file links (T29679)
 # T65642/T68749: Formatting elt fixup around images.
 # We know wt2wt will fail, but we expect selser to pass.
 # Due to the nature of our testing, wt2wt and selser tests will enter the
-# blacklist and we'll catch selser regressions based on changes to the
-# blacklist entries for selser tests.
+# banned list and we'll catch selser regressions based on changes to the
+# banned list entries for selser tests.
 !! test
 1. Treebuilder fixup of formatting elt
 !! options

tests/parser/parserTests.txt

@@ -13608,7 +13608,7 @@ parsoid=wt2html
 ###
 ### These tests won't always pass wt2wt and other modes because
 ### on serialization, the table will be output on a new line.
-### For now, we are blacklisting them, and using this to test selser.
+### For now, we are prohibiting them, and using this to test selser.
 ###
 
 !!test