Revert "Fix observatory tests broken by running dartfmt."

runtime/observatory/tests/service/regress_28443_test.dart

Index: runtime/observatory/tests/service/regress_28443_test.dart
diff --git a/runtime/observatory/tests/service/regress_28443_test.dart b/runtime/observatory/tests/service/regress_28443_test.dart
index 411c8370097edbf61de55e41f6d7f12291001d79..652e4b0352594d9aff0c1de956ac708018061807 100644
--- a/runtime/observatory/tests/service/regress_28443_test.dart
+++ b/runtime/observatory/tests/service/regress_28443_test.dart
@@ -25,13 +25,12 @@ collect() async {
       await new Future.microtask(() => throw new TimeoutException("here"));
     } on dynamic {
       vmService.close();
-      rethrow; // LINE_A
+      rethrow;  // LINE_A
     }
   });
 }
 
-test_code() async {
-  // LINE_B
+test_code() async {  // LINE_B
   try {
     await collect();
   } on TimeoutException {
@@ -61,19 +60,17 @@ Future<Isolate> stepThroughProgram(Isolate isolate) async {
   return completer.future;
 }
 
-var tests = [
-  hasPausedAtStart,
-  markDartColonLibrariesDebuggable,
-  setBreakpointAtLine(LINE_B),
-  resumeIsolate,
-  hasStoppedAtBreakpoint,
-  setBreakpointAtLine(LINE_A),
-  resumeIsolate,
-  hasStoppedAtBreakpoint,
-  stepOut,
-  stoppedAtLine(LINE_B),
-  resumeIsolate
-];
+var tests = [hasPausedAtStart,
+             markDartColonLibrariesDebuggable,
+             setBreakpointAtLine(LINE_B),
+             resumeIsolate,
+             hasStoppedAtBreakpoint,
+             setBreakpointAtLine(LINE_A),
+             resumeIsolate,
+             hasStoppedAtBreakpoint,
+             stepOut,
+             stoppedAtLine(LINE_B),
+             resumeIsolate];
 
 main(args) => runIsolateTestsSynchronous(args, tests,
     testeeConcurrent: test_code, pause_on_start: true, pause_on_exit: false);