fix CI error

.gitlab-ci.yml

@@ -15,8 +15,8 @@ before_script:
 build:
   stage: build
   script:
-    - docker pull ${CONTAINER_TEST_IMAGE} || true
-    - docker build --cache-from ${CONTAINER_TEST_IMAGE}
+    - docker pull ${CI_REGISTRY_IMAGE}:latest || true
+    - docker build --cache-from ${CI_REGISTRY_IMAGE}:latest
                    --tag ${CI_REGISTRY_IMAGE}:${CI_COMMIT_REF_SLUG}
                    --tag ${CI_REGISTRY_IMAGE}:latest .
     - docker push ${CI_REGISTRY_IMAGE}:${CI_COMMIT_REF_SLUG}