Simplify tests under utils/tests to follow StandardTestSuite convention.

utils/tests/css/selector_literal_tests.dart

Index: utils/tests/css/selector_literal_tests.dart
diff --git a/utils/tests/css/src/SelectorLiteralTest.dart b/utils/tests/css/selector_literal_tests.dart
similarity index 97%
rename from utils/tests/css/src/SelectorLiteralTest.dart
rename to utils/tests/css/selector_literal_tests.dart
index 4f0b499ee657ab2f76b2dd350c6c9069e96e30ab..ba07ea93436fd9b0f0b1dbed3d8d4a43cb552102 100644
--- a/utils/tests/css/src/SelectorLiteralTest.dart
+++ b/utils/tests/css/selector_literal_tests.dart
@@ -2,7 +2,7 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-#import("../../../css/css.dart");
+#import("../../css/css.dart");
 
 class SelectorLiteralTest {
   static final String ERROR = 'CompilerException: <buffer>:';
@@ -136,7 +136,7 @@ class SelectorLiteralTest {
           e.toString());
     }
 
-    // class and element id not allowed together. 
+    // class and element id not allowed together.
     css = '@{.foobar foo|div}';
     try {
       cssParseAndValidate('${css}', cssWorld);
@@ -146,7 +146,7 @@ class SelectorLiteralTest {
           e.toString());
     }
 
-    // Element id and namespace not allowed together. 
+    // Element id and namespace not allowed together.
     css = '@{#id1 foo|div}';
     try {
       cssParseAndValidate('${css}', cssWorld);
@@ -156,7 +156,7 @@ class SelectorLiteralTest {
           e.toString());
     }
 
-    // namespace and element id not allowed together. 
+    // namespace and element id not allowed together.
     css = '@{foo|div #id1}';
     try {
       cssParseAndValidate('${css}', cssWorld);