Revert "Fix observatory tests broken by running dartfmt."

runtime/observatory/tests/service/reachable_size_test.dart

Index: runtime/observatory/tests/service/reachable_size_test.dart
diff --git a/runtime/observatory/tests/service/reachable_size_test.dart b/runtime/observatory/tests/service/reachable_size_test.dart
index 6ef94e6f29037594f5e7ccaf617c1d21ef9dae08..ae6827e817c8e9bddd076e766adf3b97fe7b2cb5 100644
--- a/runtime/observatory/tests/service/reachable_size_test.dart
+++ b/runtime/observatory/tests/service/reachable_size_test.dart
@@ -40,33 +40,33 @@ getRetainedSize(ServiceObject obj) {
 }
 
 var tests = [
-  (Isolate isolate) async {
-    Instance p1 = await rootLibraryFieldValue(isolate, "p1");
-    Instance p2 = await rootLibraryFieldValue(isolate, "p2");
+(Isolate isolate) async {
+  Instance p1 = await rootLibraryFieldValue(isolate, "p1");
+  Instance p2 = await rootLibraryFieldValue(isolate, "p2");
 
-    // In general, shallow <= retained <= reachable. In this program,
-    // 0 < shallow < retained < reachable.
+  // In general, shallow <= retained <= reachable. In this program,
+  // 0 < shallow < retained < reachable.
 
-    int p1_shallow = p1.size;
-    int p1_retained = await getRetainedSize(p1);
-    int p1_reachable = await getReachableSize(p1);
+  int p1_shallow = p1.size;
+  int p1_retained = await getRetainedSize(p1);
+  int p1_reachable = await getReachableSize(p1);
 
-    expect(0, lessThan(p1_shallow));
-    expect(p1_shallow, lessThan(p1_retained));
-    expect(p1_retained, lessThan(p1_reachable));
+  expect(0, lessThan(p1_shallow));
+  expect(p1_shallow, lessThan(p1_retained));
+  expect(p1_retained, lessThan(p1_reachable));
 
-    int p2_shallow = p2.size;
-    int p2_retained = await getRetainedSize(p2);
-    int p2_reachable = await getReachableSize(p2);
+  int p2_shallow = p2.size;
+  int p2_retained = await getRetainedSize(p2);
+  int p2_reachable = await getReachableSize(p2);
 
-    expect(0, lessThan(p2_shallow));
-    expect(p2_shallow, lessThan(p2_retained));
-    expect(p2_retained, lessThan(p2_reachable));
+  expect(0, lessThan(p2_shallow));
+  expect(p2_shallow, lessThan(p2_retained));
+  expect(p2_retained, lessThan(p2_reachable));
 
-    expect(p1_shallow, equals(p2_shallow));
-    expect(p1_retained, equals(p2_retained));
-    expect(p1_reachable, equals(p2_reachable));
-  },
+  expect(p1_shallow, equals(p2_shallow));
+  expect(p1_retained, equals(p2_retained));
+  expect(p1_reachable, equals(p2_reachable));
+},
 ];
 
 main(args) => runIsolateTests(args, tests, testeeBefore: buildGraph);