refactor: main() does not return a value (void)

perf/dom/compile_perf.dart

@@ -1,23 +1,25 @@
 import '_perf.dart';
 
-main() => describe('compiler', () {
-  describe('block instantiation', () {
-    it('time ', inject((TestBed tb) {
-      tb.compile(UL_REPEATER);
-      var items = [];
-      for(var i = 0; i < 100; i++) {
-        items.add({"text":'text_$i', "done": i & 1 == 1});
-      }
-      var empty = [];
-      tb.rootScope.context['classFor'] = (item) => 'ng-${item["done"]}';
+void main() {
+  describe('compiler', () {
+    describe('block instantiation', () {
+      it('time ', inject((TestBed tb) {
+        tb.compile(UL_REPEATER);
+        var items = [];
+        for(var i = 0; i < 100; i++) {
+          items.add({"text":'text_$i', "done": i & 1 == 1});
+        }
+        var empty = [];
+        tb.rootScope.context['classFor'] = (item) => 'ng-${item["done"]}';
 
-      time('create 100 blocks',
-          () => tb.rootScope.apply(() => tb.rootScope.context['items'] = items),
-          cleanUp: () => tb.rootScope.apply(() => tb.rootScope.context['items'] = empty),
-          verify: () => expect(tb.rootElement.querySelectorAll('li').length).toEqual(100));
-    }));
+        time('create 100 blocks',
+            () => tb.rootScope.apply(() => tb.rootScope.context['items'] = items),
+            cleanUp: () => tb.rootScope.apply(() => tb.rootScope.context['items'] = empty),
+            verify: () => expect(tb.rootElement.querySelectorAll('li').length).toEqual(100));
+      }));
+    });
   });
-});
+}
 
 var UL_REPEATER =
 """

test/bootstrap_spec.dart

@@ -2,28 +2,30 @@ library bootstrap_spec;
 
 import '_specs.dart';
 
-main() => describe('bootstrap', () {
-  BodyElement body = window.document.querySelector('body');
+void main() {
+  describe('bootstrap', () {
+    BodyElement body = window.document.querySelector('body');
 
-  it('should default to whole page', () {
-    body.innerHtml = '<div>{{"works"}}</div>';
-    ngBootstrap();
-    expect(body.innerHtml).toEqual('<div>works</div>');
-  });
+    it('should default to whole page', () {
+      body.innerHtml = '<div>{{"works"}}</div>';
+      ngBootstrap();
+      expect(body.innerHtml).toEqual('<div>works</div>');
+    });
 
-  it('should compile starting at ng-app node', () {
-    body.setInnerHtml(
-        '<div>{{ignor me}}<div ng-app ng-bind="\'works\'"></div></div>',
-        treeSanitizer: new NullTreeSanitizer());
-    ngBootstrap();
-    expect(body.text).toEqual('{{ignor me}}works');
-  });
+    it('should compile starting at ng-app node', () {
+      body.setInnerHtml(
+          '<div>{{ignor me}}<div ng-app ng-bind="\'works\'"></div></div>',
+          treeSanitizer: new NullTreeSanitizer());
+      ngBootstrap();
+      expect(body.text).toEqual('{{ignor me}}works');
+    });
 
-  it('should compile starting at ng-app node', () {
-    body.setInnerHtml(
-        '<div>{{ignor me}}<div ng-bind="\'works\'"></div></div>',
-        treeSanitizer: new NullTreeSanitizer());
-    ngBootstrap(element:body.querySelector('div[ng-bind]'));
-    expect(body.text).toEqual('{{ignor me}}works');
+    it('should compile starting at ng-app node', () {
+      body.setInnerHtml(
+          '<div>{{ignor me}}<div ng-bind="\'works\'"></div></div>',
+          treeSanitizer: new NullTreeSanitizer());
+      ngBootstrap(element:body.querySelector('div[ng-bind]'));
+      expect(body.text).toEqual('{{ignor me}}works');
+    });
   });
-});
+}