Remove API documentation from path README.

pkg/path/test/windows_test.dart

Index: pkg/path/test/windows_test.dart
diff --git a/pkg/path/test/windows_test.dart b/pkg/path/test/windows_test.dart
index 1966b7f341b42f3abd59cf870e43e249cc447042..e293be61abed50977baaec60048c7b828d70a5d0 100644
--- a/pkg/path/test/windows_test.dart
+++ b/pkg/path/test/windows_test.dart
@@ -503,6 +503,8 @@ main() {
         r'C:\path\to\foo#bar');
     expect(builder.fromUri(Uri.parse('file://hostname/path/to/foo%23bar')),
         r'\\hostname\path\to\foo#bar');
+    expect(builder.fromUri(Uri.parse('_%7B_%7D_%60_%5E_%20_%22_%25_')),
+        r'_{_}_`_^_ _"_%_');
     expect(() => builder.fromUri(Uri.parse('http://dartlang.org')),
         throwsArgumentError);
   });
@@ -519,5 +521,9 @@ main() {
         Uri.parse('file:///C:/path/to/foo%23bar'));
     expect(builder.toUri(r'\\hostname\path\to\foo#bar'),
         Uri.parse('file://hostname/path/to/foo%23bar'));
+    expect(builder.toUri(r'C:\_{_}_`_^_ _"_%_'),
+        Uri.parse('file:///C:/_%7B_%7D_%60_%5E_%20_%22_%25_'));
+    expect(builder.toUri(r'_{_}_`_^_ _"_%_'),
+        Uri.parse('_%7B_%7D_%60_%5E_%20_%22_%25_'));
   });
 }