Bypass key check until we are ready to add it to internal

.env.test

@@ -15,4 +15,4 @@ SEGMENT_KEY=null
 SITE_NAME='edX'
 SUPPORT_URL='http://localhost:18000/support'
 USER_INFO_COOKIE_NAME='edx-user-info'
-COACHING_ENABLED=false
+COACHING_ENABLED=''

src/index.jsx

@@ -49,7 +49,7 @@ initialize({
     config: () => {
       mergeConfig({
         SUPPORT_URL: process.env.SUPPORT_URL,
-        COACHING_ENABLED: process.env.COACHING_ENABLED,
+        COACHING_ENABLED: (process.env.COACHING_ENABLED || false),
       }, 'App loadConfig override handler');
     },
   },