testTab: fix indentation of constructor

src/app/tabs/test-tab.js

@@ -8,7 +8,8 @@ function append (container, txt) {
   container.appendChild(child)
 }
 
-function testTab (api = {}, events = {}, opts = {}) {
+const prototype = {
+  constructor: function testTab (api = {}, events = {}, opts = {}) {
     let el = prototype.render(api)
     let gitterIsLoaded = false
 
@@ -23,10 +24,7 @@ function testTab (api = {}, events = {}, opts = {}) {
     })
 
     return { render () { return el } }
-}
-
-const prototype = {
-  constructor: testTab,
+  },
   render: function render (api) {
     var container = yo`<div class="tests" id="tests"></div>`