Bug 1574067 - Update test expectations on windows !debug cause of frequent failures. r=jgraham

testing/web-platform/meta/css/css-ui/appearance-textfield-001.html.ini

@@ -4,3 +4,4 @@
     if (os == "win") and debug and webrender: FAIL
     if (os == "win") and debug and not webrender and (processor == "x86_64"): [PASS, FAIL]
     if (os == "win") and (processor == "x86_64"): FAIL
+    if (os == "win") and not debug: [PASS, FAIL]