run cento7 on plchaos

.gitlab-ci.yml

@@ -317,7 +317,6 @@ centos7_x86_64:
   script:
     - repo init -q --no-clone-bundle -u git@baltig.infn.it:chaos-lnf-control/chaos_repo_bundle.git -b $CI_COMMIT_REF_NAME
     - repo sync
-    - yum install -y libcurl-devel
     - if [ "$TEST_BRANCH" != "$CI_COMMIT_REF_NAME" ]; then ./chaosframework/tools/chaos_git.sh -c $TEST_BRANCH;fi
     - cd chaosframework;export CHAOS_LIB_HASH=`git log -n 1 --pretty="%h"`;export CHAOS_LAST_TAG=`git describe --abbrev=0`;cd -;
     - cd html/chaos_dashboard/;./tag.sh $CI_COMMIT_REF_NAME;cd -
@@ -614,7 +613,7 @@ centos7_test_x86_64:
   stage: test
   retry: 2  
   tags:
-    - run    
+    - runplchaos    
   dependencies:
     - centos7_x86_64
   services: