Format all tests.

tests/lib/mirrors/invoke_private_test.dart

Index: tests/lib/mirrors/invoke_private_test.dart
diff --git a/tests/lib/mirrors/invoke_private_test.dart b/tests/lib/mirrors/invoke_private_test.dart
index 672abf98fa366ef778d2eec7ea01dcdd04795eb1..9806be4dd879ef18ac7e027cbd56426d84077bef 100644
--- a/tests/lib/mirrors/invoke_private_test.dart
+++ b/tests/lib/mirrors/invoke_private_test.dart
@@ -27,7 +27,7 @@ class C {
 var _libraryField = 'a priori';
 get _libraryGetter => 'lget $_libraryField';
 set _librarySetter(v) => _libraryField = 'lset $v';
-_libraryFunction(x,y) => '$x$y';
+_libraryFunction(x, y) => '$x$y';
 
 main() {
   var result;
@@ -35,7 +35,7 @@ main() {
   // InstanceMirror.
   C c = new C();
   InstanceMirror im = reflect(c);
-  result = im.invoke(#_method, [2,4,8]);
+  result = im.invoke(#_method, [2, 4, 8]);
   Expect.equals('2+4+8', result.reflectee);
 
   result = im.getField(#_getter);
@@ -48,10 +48,9 @@ main() {
   im.setField(#_field, 'bar');
   Expect.equals('bar', c._field);
 
-
   // ClassMirror.
   ClassMirror cm = reflectClass(C);
-  result = cm.invoke(#_staticFunction, [3,4]);
+  result = cm.invoke(#_staticFunction, [3, 4]);
   Expect.equals('(3,4)', result.reflectee);
 
   result = cm.getField(#_staticGetter);
@@ -68,10 +67,9 @@ main() {
   Expect.isTrue(result.reflectee is C);
   Expect.equals('my value', result.reflectee._field);
 
-
   // LibraryMirror.
   LibraryMirror lm = cm.owner;
-  result = lm.invoke(#_libraryFunction, [':',')']);
+  result = lm.invoke(#_libraryFunction, [':', ')']);
   Expect.equals(':)', result.reflectee);
 
   result = lm.getField(#_libraryGetter);