Fix AnsibleCollections parameter

Currently, when the AnsibleCollections parameter in test-operator
is used to set multiple collections, it throws an error. To fix
this issue, the script should not pass all the collections as one
full string. This patch fixes that.

Author: kstrenkova

container-images/tcib/base/ansible-tests/run_ansible.sh

@@ -30,7 +30,7 @@ fi
 
 # Install collections if specified
 if [[ -n "${POD_INSTALL_COLLECTIONS:-}" ]]; then
-    ansible-galaxy collection install "$POD_INSTALL_COLLECTIONS"
+    ansible-galaxy collection install $POD_INSTALL_COLLECTIONS
 fi
 
 # Install collections from requirements.yaml if the file exists