Format all tests.

tests/lib/async/stack_trace19_test.dart

Index: tests/lib/async/stack_trace19_test.dart
diff --git a/tests/lib/async/stack_trace19_test.dart b/tests/lib/async/stack_trace19_test.dart
index 0e805ada7dd0d422787f86eba53cc4bbea417a82..74a6180890f9e7ca08a2306a0f2b55a8e915dd8a 100644
--- a/tests/lib/async/stack_trace19_test.dart
+++ b/tests/lib/async/stack_trace19_test.dart
@@ -19,21 +19,21 @@ main() {
   StackTrace trace = captureStackTrace();
   StackTrace whenCompleteStackTrace;
   asyncStart();
-  completer.future
-    .whenComplete(() { throw "other_error"; })
-    .then((_) { throw "should never be reached"; })
-    .catchError((e, st) {
-        Expect.equals("other_error", e);
-        Expect.isNotNull(st);
-        Expect.isFalse(identical(trace, st));
-        whenCompleteStackTrace = st;
-        // Test the rethrowing the same error keeps the stack trace.
-        throw e;
-      })
-    .catchError((e, st) {
-        Expect.equals("other_error", e);
-        Expect.identical(whenCompleteStackTrace, st);
-        asyncEnd();
-      });
+  completer.future.whenComplete(() {
+    throw "other_error";
+  }).then((_) {
+    throw "should never be reached";
+  }).catchError((e, st) {
+    Expect.equals("other_error", e);
+    Expect.isNotNull(st);
+    Expect.isFalse(identical(trace, st));
+    whenCompleteStackTrace = st;
+    // Test the rethrowing the same error keeps the stack trace.
+    throw e;
+  }).catchError((e, st) {
+    Expect.equals("other_error", e);
+    Expect.identical(whenCompleteStackTrace, st);
+    asyncEnd();
+  });
   completer.completeError("c-error", trace);
 }