Keep elements fully within a single element.

{{if}} is implemented as an Ember.View (without an element), and
children must be valid DOM.

assets/scripts/app/templates/jobs/list.hbs

@@ -1,15 +1,14 @@
 {{#if view.jobs.length}}
+  <table {{bind-attr id=view.jobTableId}} class="list">
   {{#if view.required}}
-    <table id="jobs" class="list">
-      <caption>
-        Build Matrix
-      </caption>
+    <caption>
+      Build Matrix
+    </caption>
   {{else}}
-    <table id="allowed_failure_jobs" class="list">
-      <caption>
-        Allowed Failures
-        <a title="What's this?" class="help open-popup" name="help-allowed_failures" {{action "popup" target="view"}}></a>
-      </caption>
+    <caption>
+      Allowed Failures
+      <a title="What's this?" class="help open-popup" name="help-allowed_failures" {{action "popup" target="view"}}></a>
+    </caption>
   {{/if}}
     <thead>
       <tr>

assets/scripts/app/views/job.coffee

@@ -3,6 +3,13 @@ Travis.reopen
     templateName: 'jobs/list'
     buildBinding: 'controller.build'
 
+    jobTableId: Ember.computed(->
+      if @get('required')
+        'jobs'
+      else
+        'allowed_failure_jobs'
+    )
+
   JobsItemView: Travis.View.extend
     tagName: 'tr'
     classNameBindings: ['color']