7. fix use ssh in ci script

.gitlab-ci.yml

@@ -1,5 +1,6 @@
 stages:
         - hello
+        - testssh
         - build
 
 before_script:
@@ -10,7 +11,6 @@ before_script:
         - chmod 700 ~/.ssh
         - ssh-keyscan gitlab.com >> ~/.ssh/known_hosts
         - chmod 644 ~/.ssh/known_hosts
-        - ssh git@gitlab.com
         - echo "Preparing ssh environment done"
 
 job1:
@@ -53,4 +53,12 @@ job3:
                 - make clean
                 - make all
 
+job4:
+        stage:  testssh
+        tags:
+                - hottis
+                - linux
+                - debian
+        script:
+                - ssh git@gitlab.com