Fix glob match and parse tests for Windows and URL styles.

pkg/glob/test/parse_test.dart

Index: pkg/glob/test/parse_test.dart
diff --git a/pkg/glob/test/parse_test.dart b/pkg/glob/test/parse_test.dart
index 5ea3f05a359a272599425d58de801879e0dd44f3..fcaa5b4645781f870aee9bb3aa347166ac46aea9 100644
--- a/pkg/glob/test/parse_test.dart
+++ b/pkg/glob/test/parse_test.dart
@@ -3,11 +3,15 @@
 // BSD-style license that can be found in the LICENSE file.
 
 import 'package:glob/glob.dart';
+import 'package:path/path.dart' as p;
 import 'package:unittest/unittest.dart';
 
 void main() {
   test("supports backslash-escaped characters", () {
     expect(r"\*[]{,}?()", contains(new Glob(r"\\\*\[\]\{\,\}\?\(\)")));
+    if (p.style != p.Style.windows) {
+      expect(r"foo\bar", contains(new Glob(r"foo\\bar")));
+    }
   });
 
   test("disallows an empty glob", () {