Alter a test that imitates strange (incorrect?) MediaWiki behavior.

tests/tokenizer/external_links.mwtest

@@ -146,9 +146,9 @@ output: [ExternalLinkOpen(brackets=True), Text(text="http://example.(com)"), Ext
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 name:   brackets_open_bracket_inside
-label:  an open bracket inside a bracket-enclosed link that causes it to switch to the title context abruptly
+label:  an open bracket inside a bracket-enclosed link that is also included
 input:  "[http://foobar[baz.com Example]"
-output: [ExternalLinkOpen(brackets=True), Text(text="http://foobar"), ExternalLinkSeparator(), Text(text="[baz.com Example"), ExternalLinkClose()]
+output: [ExternalLinkOpen(brackets=True), Text(text="http://foobar[baz.com"), ExternalLinkSeparator(), Text(text="Example"), ExternalLinkClose()]
 
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