Add wait for kubernetes runner to generate certs

qa/qa/specs/features/browser_ui/5_package/container_registry_spec.rb

@@ -30,6 +30,8 @@ module QA
               DOCKER_TLS_CERTDIR: "/certs"
               DOCKER_TLS_VERIFY: 1
               DOCKER_CERT_PATH: "$DOCKER_TLS_CERTDIR/client"
+            before_script:
+              - until docker info; do sleep 1; done 
             script:
               - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
               - docker build -t $IMAGE_TAG .