[CI] split molecule testes to run in parallel (#8756)

* add parametrization to molecule_run.sh

* [CI] split molecule tests to allow parallelization of work

tests/scripts/molecule_run.sh

@@ -1,10 +1,32 @@
 #!/bin/bash
-set -euxo pipefail
+set -euxo pipefail -o noglob
 
 export LC_ALL=C.UTF-8
 export LANG=C.UTF-8
 
-for d in $(find roles -name molecule -type d)
+_PATH='roles'
+_EXCLUDE=""
+
+while [[ $# -gt 0 ]] ; do
+    case $1 in
+        -e|--exclude)
+            _EXCLUDE="${_EXCLUDE} -not -path ${_PATH}/$2/*"
+            shift
+            shift
+            ;;
+        -i|--include)
+            _PATH="${_PATH}/$2"
+            shift
+            shift
+            ;;
+        -h|--help)
+            echo "Usage: molecule_run.sh [-h|--help] [-e|--exclude] [-i|--include]"
+            exit 0
+            ;;
+    esac
+done
+
+for d in $(find ${_PATH} ${_EXCLUDE} -name molecule -type d)
 do
     pushd $(dirname $d)
     molecule test --all