test(toast): add karma test for toast

ionic/components/toast/test/basic/toast.spec.ts

@@ -0,0 +1,23 @@
+import {Toast} from '../../../../ionic';
+
+export function run() {
+
+describe('Toast', () => {
+
+  describe('create', () => {
+
+    it('should create toast with close button', () => {
+      let toast = Toast.create({
+        message: 'Please Wait...',
+        showCloseButton: true
+      });
+
+      expect(toast.message).toEqual('Please Wait...');
+      expect(toast.showCloseButton).toEqual(true);
+      expect(toast.closeButtonText).toEqual('Close');
+    });
+
+  });
+});
+
+}