overwrite ciGroup script to support jest in flaky testing job

test/scripts/jenkins_ci_group.sh

@@ -1,33 +1,5 @@
 #!/usr/bin/env bash
 
-source test/scripts/jenkins_test_setup_oss.sh
+source src/dev/ci_setup/setup_env.sh
 
-if [[ -z "$CODE_COVERAGE" ]]; then
-  checks-reporter-with-killswitch "Functional tests / Group ${CI_GROUP}" yarn run grunt "run:functionalTests_ciGroup${CI_GROUP}";
-
-  if [ "$CI_GROUP" == "1" ]; then
-    source test/scripts/jenkins_build_kbn_tp_sample_panel_action.sh
-    yarn run grunt run:pluginFunctionalTestsRelease --from=source;
-    yarn run grunt run:exampleFunctionalTestsRelease --from=source;
-    yarn run grunt run:interpreterFunctionalTestsRelease;
-  fi
-else
-  echo " -> Running Functional tests with code coverage"
-  export NODE_OPTIONS=--max_old_space_size=8192
-
-  echo " -> making hard link clones"
-  cd ..
-  cp -RlP kibana "kibana${CI_GROUP}"
-  cd "kibana${CI_GROUP}"
-
-  echo " -> running tests from the clone folder"
-  yarn run grunt "run:functionalTests_ciGroup${CI_GROUP}";
-
-  if [[ -d target/kibana-coverage/functional ]]; then
-    echo " -> replacing kibana${CI_GROUP} with kibana in json files"
-    sed -i "s|kibana${CI_GROUP}|kibana|g" target/kibana-coverage/functional/*.json
-    echo " -> copying coverage to the original folder"
-    mkdir -p ../kibana/target/kibana-coverage/functional
-    cp -R target/kibana-coverage/functional/. ../kibana/target/kibana-coverage/functional/
-  fi
-fi
+node scripts/jest