run_local_tests.sh: unquote tests var so lists and kola options can pass

Signed-off-by: Thilo Fromm <thilofromm@microsoft.com>

Author: t-lo

run_local_tests.sh

@@ -104,7 +104,7 @@ function run_local_tests() (
   if [[ -n "${tests}" ]] ; then
     echo "================================="
     echo "Running qemu_uefi tests"
-    test_run "${arch}" qemu_uefi "${tests}"
+    test_run "${arch}" qemu_uefi ${tests}
   fi
 
   if ${update_tests} ; then