Run dartfmt on all files under runtime.

runtime/observatory/tests/service/evaluate_in_async_star_activation_test.dart

Index: runtime/observatory/tests/service/evaluate_in_async_star_activation_test.dart
diff --git a/runtime/observatory/tests/service/evaluate_in_async_star_activation_test.dart b/runtime/observatory/tests/service/evaluate_in_async_star_activation_test.dart
index 41274a82f972f5c7e422f107e2bf15a07e98761f..4257d83b758db6d688dfec99a6f7b7ddab1fd3d9 100644
--- a/runtime/observatory/tests/service/evaluate_in_async_star_activation_test.dart
+++ b/runtime/observatory/tests/service/evaluate_in_async_star_activation_test.dart
@@ -23,39 +23,32 @@ testFunction() async {
 }
 
 var tests = [
-
-hasStoppedAtBreakpoint,
-
-(Isolate isolate) async {
-  // Make sure we are in the right place.
-  var stack = await isolate.getStack();
-  var topFrame = 0;
-  expect(stack.type, equals('Stack'));
-  expect(await stack['frames'][topFrame].location.getLine(), 15);
-
-  var result = await isolate.evalFrame(topFrame, "x");
-  print(result);
-  expect(result.valueAsString, equals("3"));
-},
-
-resumeIsolate,
-
-hasStoppedAtBreakpoint,
-
-(Isolate isolate) async {
-  // Make sure we are in the right place.
-  var stack = await isolate.getStack();
-  var topFrame = 0;
-  expect(stack.type, equals('Stack'));
-  expect(await stack['frames'][topFrame].location.getLine(), 18);
-
-  var result = await isolate.evalFrame(topFrame, "z");
-  print(result);
-  expect(result.valueAsString, equals("7"));
-},
-
-resumeIsolate,
-
+  hasStoppedAtBreakpoint,
+  (Isolate isolate) async {
+    // Make sure we are in the right place.
+    var stack = await isolate.getStack();
+    var topFrame = 0;
+    expect(stack.type, equals('Stack'));
+    expect(await stack['frames'][topFrame].location.getLine(), 15);
+
+    var result = await isolate.evalFrame(topFrame, "x");
+    print(result);
+    expect(result.valueAsString, equals("3"));
+  },
+  resumeIsolate,
+  hasStoppedAtBreakpoint,
+  (Isolate isolate) async {
+    // Make sure we are in the right place.
+    var stack = await isolate.getStack();
+    var topFrame = 0;
+    expect(stack.type, equals('Stack'));
+    expect(await stack['frames'][topFrame].location.getLine(), 18);
+
+    var result = await isolate.evalFrame(topFrame, "z");
+    print(result);
+    expect(result.valueAsString, equals("7"));
+  },
+  resumeIsolate,
 ];
 
 main(args) => runIsolateTests(args, tests, testeeConcurrent: testFunction);