Remove API documentation from path README.

pkg/path/test/url_test.dart

Index: pkg/path/test/url_test.dart
diff --git a/pkg/path/test/url_test.dart b/pkg/path/test/url_test.dart
index 1cd256d13481a22ca7491cb5a6197d4a097bfe9d..d72f411bf42c18df3a48369c47abafaee7f2d441 100644
--- a/pkg/path/test/url_test.dart
+++ b/pkg/path/test/url_test.dart
@@ -665,7 +665,6 @@ main() {
     expect(builder.withoutExtension('a/b.c//'), 'a/b//');
   });
 
-
   test('fromUri', () {
     expect(builder.fromUri(Uri.parse('http://dartlang.org/path/to/foo')),
         'http://dartlang.org/path/to/foo');
@@ -676,6 +675,10 @@ main() {
     expect(builder.fromUri(Uri.parse('foo/bar')), 'foo/bar');
     expect(builder.fromUri(Uri.parse('http://dartlang.org/path/to/foo%23bar')),
         'http://dartlang.org/path/to/foo%23bar');
+    // Since the resulting "path" is also a URL, special characters should
+    // remain percent-encoded in the result.
+    expect(builder.fromUri(Uri.parse('_%7B_%7D_%60_%5E_%20_%22_%25_')),
+        r'_%7B_%7D_%60_%5E_%20_%22_%25_');
   });
 
   test('toUri', () {
@@ -688,5 +691,11 @@ main() {
     expect(builder.toUri('foo/bar'), Uri.parse('foo/bar'));
     expect(builder.toUri('http://dartlang.org/path/to/foo%23bar'),
         Uri.parse('http://dartlang.org/path/to/foo%23bar'));
+    // Since the input path is also a URI, special characters should already
+    // be percent encoded there too.
+    expect(builder.toUri(r'http://foo.com/_%7B_%7D_%60_%5E_%20_%22_%25_'),
+        Uri.parse('http://foo.com/_%7B_%7D_%60_%5E_%20_%22_%25_'));
+    expect(builder.toUri(r'_%7B_%7D_%60_%5E_%20_%22_%25_'),
+        Uri.parse('_%7B_%7D_%60_%5E_%20_%22_%25_'));
   });
 }