Format all tests.

tests/lib/profiler/user_tags_test.dart

Index: tests/lib/profiler/user_tags_test.dart
diff --git a/tests/lib/profiler/user_tags_test.dart b/tests/lib/profiler/user_tags_test.dart
index f4fc4743a83c9034aa805e98adae85c8f66dfce4..c22e3731e58c6447b1db6c876c694cde18a75bd0 100644
--- a/tests/lib/profiler/user_tags_test.dart
+++ b/tests/lib/profiler/user_tags_test.dart
@@ -18,7 +18,6 @@ void testLabel() {
   Expect.equals(label, tag.label);
 }
 
-
 // Test that we canonicalize UserTag by name.
 void testCanonicalize(tag1) {
   var label = 'Global Tag';
@@ -29,14 +28,12 @@ void testCanonicalize(tag1) {
   Expect.isTrue(identical(UserTag.defaultTag, defaultTag));
 }
 
-
 // Test that we made the tag current.
 void testMakeCurrent(tag) {
   tag.makeCurrent();
   Expect.isTrue(identical(tag, getCurrentTag()));
 }
 
-
 // Test that we reach a limit of tags an exception is thrown.
 void testExhaust() {
   var i = 0;
@@ -47,7 +44,6 @@ void testExhaust() {
   }
 }
 
-
 var callerTag = new UserTag('caller');
 var calleeTag = new UserTag('callee');
 
@@ -67,7 +63,6 @@ void testCallerPattern() {
   Expect.isTrue(identical(UserTag.defaultTag, getCurrentTag()));
 }
 
-
 main() {
   testDefault();
   testCallerPattern();