Revert "Fix observatory tests broken by running dartfmt."

runtime/observatory/tests/service/async_scope_test.dart

Index: runtime/observatory/tests/service/async_scope_test.dart
diff --git a/runtime/observatory/tests/service/async_scope_test.dart b/runtime/observatory/tests/service/async_scope_test.dart
index d7525dd5801f676c89e6eb1a9fda01f00b4eb2bd..170a638b7c26709c81ee884a54bf3b025947599c 100644
--- a/runtime/observatory/tests/service/async_scope_test.dart
+++ b/runtime/observatory/tests/service/async_scope_test.dart
@@ -34,6 +34,7 @@ testeeDo() {
   });
 }
 
+
 checkAsyncVarDescriptors(Isolate isolate) async {
   ServiceMap stack = await isolate.getStack();
   expect(stack.type, equals('Stack'));
@@ -43,6 +44,7 @@ checkAsyncVarDescriptors(Isolate isolate) async {
   expect(vars, equals('param1 local1')); // no :async_op et al
 }
 
+
 checkAsyncStarVarDescriptors(Isolate isolate) async {
   ServiceMap stack = await isolate.getStack();
   expect(stack.type, equals('Stack'));
@@ -52,6 +54,7 @@ checkAsyncStarVarDescriptors(Isolate isolate) async {
   expect(vars, equals('param2 local2')); // no :async_op et al
 }
 
+
 var tests = [
   hasStoppedAtBreakpoint, // debugger()
   setBreakpointAtLine(LINE_A),