fixed tests

Author: zackify

src/uniqueId.js

@@ -1,5 +1,5 @@
 var number = 0
 export default function uniqueId(id){
-    number++;
-    return number + '-' + id
+  number++;
+  return number + '-' + id
 }

tests/head.jsx

@@ -31,7 +31,7 @@ describe('Head component', () => {
 
       expect(headings.length).to.equal(1);
       expect(headings[0].type).to.equal('th');
-      expect(headings[0].key).to.equal('foo');
+      expect(headings[0].key).to.equal('3-foo');
     });
   });