Revert "Change docker tags"

This reverts commit 2c64e19.

circle.yml

@@ -12,7 +12,7 @@ test:
   pre:
     - npm run jshint
     - npm run dredd
-    - docker build -t $DOCKERHUB_BASE/resonator:$VERSION .
+    - docker build -t resonator:testing .
   override:
     - npm run test
     - npm run coverage-1
@@ -34,6 +34,7 @@ deployment:
     branch: dockerize_tests
     commands:
       - docker login -e $DOCKER_EMAIL -u $DOCKER_USER -p $DOCKER_PASS
+      - docker tag resonator:testing $DOCKERHUB_BASE/resonator:$VERSION
       - docker push $DOCKERHUB_BASE/resonator:$VERSION
 notify:
   webhooks: