pip3 and commit ref name test

.gitlab-ci.yml

 variables:
-  CONTAINER_NAME: clmctest-$CI_COMMIT_REF_NAME.tar.gz
+  TEST_PACKAGE_NAME: clmctest-$CI_COMMIT_REF_NAME-$CI_COMMIT_SHA.tar.gz
 
 stages:  
   - build
@@ -9,8 +9,8 @@ build:tests:
   stage: build
   script:
     - python setup.py sdist --dist-dir=build
-    - echo build/clmctest-$CI_COMMIT_REF_NAME-$CI_COMMIT_SHA.tar.gz
-    
+    - echo $TEST_PACKAGE_NAME
+
 test:
   stage: test
   script: