Make test into script to clean up .gitlab-ci

.gitlab-ci.yml

@@ -24,8 +24,7 @@ test-gcc-version:
   stage: test
   script:
     - docker pull $CONTAINER_TEST_IMAGE
-    - docker run $CONTAINER_TEST_IMAGE "arm-none-eabi-gcc -v"
-
+    - docker run $CONTAINER_TEST_IMAGE tests/smoke.sh
 release:
   stage: release
   script:
@@ -33,4 +32,4 @@ release:
     - docker tag $CONTAINER_TEST_IMAGE $CONTAINER_RELEASE_IMAGE
     - docker push $CONTAINER_RELEASE_IMAGE
   only:
-    - master
+    - master

tests/smoke.sh

@@ -0,0 +1,6 @@
+#!/bin/bash
+
+set -ex
+
+which arm-none-eabi-gcc
+arm-none-eabi-gcc