Update .gitlab-ci.yml

.gitlab-ci.yml

 stages:  
-  - test
-
+  - test:scripts
+  - test:streaming_sim
+  - test:telegraf_agents
+  
 test:scripts:
-  stage: test
   before_script:
     - vagrant --fixture=scripts -- destroy --force 
   script: 
@@ -13,7 +14,6 @@ test:scripts:
   when: manual
   
 test:streaming_sim:
-  stage: test
   before_script:
     - vagrant --fixture=streaming-sim -- destroy --force    
   script: 
@@ -24,7 +24,6 @@ test:streaming_sim:
   when: manual  
   
 test:telegraf_agents:
-  stage: test
   before_script:
     - vagrant --fixture=telegraf-agents -- destroy --force      
   script: