MAGETWO-89260: Fix Travis build issues

- fix static test failure

Author: Joan He

app/code/Magento/Backend/Block/Menu.php

@@ -387,8 +387,7 @@ public function renderNavigation($menu, $level = 0, $limit = 0, $colBrakes = [])
             $itemName = substr($menuId, strrpos($menuId, '::') + 2);
             $itemClass = str_replace('_', '-', strtolower($itemName));
 
-            if (
-                is_array($colBrakes)
+            if (is_array($colBrakes)
                 && count($colBrakes)
                 && $colBrakes[$itemPosition]['colbrake']
                 && $itemPosition != 1

setup/src/Magento/Setup/Model/FixtureGenerator/ProductGenerator.php

@@ -171,7 +171,7 @@ public function generate($products, $fixtureMap)
             ],
         ];
         $websiteIdsFixtures = $fixtureMap['website_ids'](1, 0);
-        if ((is_array($websiteIdsFixtures) && count($websiteIdsFixtures) === 1) || !is_null($websiteIdsFixtures)) {
+        if ((is_array($websiteIdsFixtures) && count($websiteIdsFixtures) === 1) || $websiteIdsFixtures != null) {
             // Get website id from fixture in case when one site is assigned per product
             $customTableMap['catalog_product_website'] = [
                 'fields' => [