minifier: Port integration tests to its package

hugolib/resource_chain_test.go

@@ -930,26 +930,3 @@ XML: {{ $xml.Content | safeHTML }}|{{ $xml.RelPermalink }}
 XML: <root>   <foo> asdfasdf </foo> </root>|/xml/data.min.3be4fddd19aaebb18c48dd6645215b822df74701957d6d36e59f203f9c30fd9f.xml
 `)
 }
-
-// Issue 8954
-func TestMinifyWithError(t *testing.T) {
-	b := newTestSitesBuilder(t).WithSimpleConfigFile()
-	b.WithSourceFile(
-		"assets/js/test.js", `
-new Date(2002, 04, 11)
-`,
-	)
-	b.WithTemplates("index.html", `
-{{ $js := resources.Get "js/test.js" | minify | fingerprint }}
-<script>
-{{ $js.Content }}
-</script>
-`)
-	b.WithContent("page.md", "")
-
-	err := b.BuildE(BuildCfg{})
-
-	if err == nil || !strings.Contains(err.Error(), "04") {
-		t.Fatalf("expected a message about a legacy octal number, but got: %v", err)
-	}
-}