Add missing static fixture

spec/frontend/fixtures/static/environments_logs.html

+<div class="js-kubernetes-logs" data-logs-path="/root/kubernetes-app/environments/1/logs">
+  <div class="build-page">
+    <div class="build-trace-container prepend-top-default">
+      <div class="top-bar js-top-bar">
+        <div class="truncated-info hidden-xs pull-left"></div>
+        <div class="dropdown prepend-left-10 js-pod-dropdown">
+          <button aria-expanded="false" class="dropdown-menu-toggle" data-toggle="dropdown" type="button">
+            <i class="fa fa-chevron-down"></i>
+          </button>
+          <div class="dropdown-menu dropdown-menu-selectable dropdown-menu-drop-up"></div>
+        </div>
+        <div class="controllers pull-right">
+          <div class="has-tooltip controllers-buttons" data-container="body" data-placement="top" title="Scroll to top">
+            <button class="js-scroll-up btn-scroll btn-transparent btn-blank" disabled type="button"></button>
+          </div>
+          <div class="has-tooltip controllers-buttons" data-container="body" data-placement="top" title="Scroll to bottom">
+            <button class="js-scroll-down btn-scroll btn-transparent btn-blank" disabled type="button"></button>
+          </div>
+          <div class="refresh-control pull-right">
+            <div class="has-tooltip controllers-buttons" data-container="body" data-placement="top" title="Refresh">
+              <button class="js-refresh-log btn-default btn-refresh" disabled type="button"></button>
+            </div>
+          </div>
+        </div>
+      </div>
+      <pre class="build-trace" id="build-trace"><code class="bash js-build-output"><div class="build-loader-animation js-build-refresh"></div></code></pre>
+    </div>
+  </div>
+</div>