document unit tests

README.md

@@ -2,6 +2,7 @@
 #### Test it out!
 
 - Run `gulp watch` to build, serve, and watch Ionic & playground
+- Run `gulp karma-watch` while gulp watch is running to watch tests. Unit tests run on compiled files in dist.
 
 #### Problems already
 

src/components/app/app_spec.js

@@ -2,6 +2,6 @@ import {Ion} from '../ion';
 
 export function main() {
   it('should be true', () => {
-    expect(false).toBe(true);
+    expect(true).toBe(true);
   });
 }