ci: fix auto test script uses incorrect branch

.gitlab-ci.yml

@@ -935,7 +935,6 @@ assign_test:
     # clone local test env configs
     - git clone $TEST_ENV_CONFIG_REPOSITORY
     - python $CHECKOUT_REF_SCRIPT ci-test-runner-configs ci-test-runner-configs
-    - cd ci-test-runner-configs
     # clone test bench
     - git clone $TEST_SCRIPT_REPOSITORY
     - python $CHECKOUT_REF_SCRIPT auto_test_script auto_test_script
@@ -961,7 +960,6 @@ nvs_compatible_test:
     # clone local test env configs
     - git clone $TEST_ENV_CONFIG_REPOSITORY
     - python $CHECKOUT_REF_SCRIPT ci-test-runner-configs ci-test-runner-configs
-    - cd ci-test-runner-configs
     # clone test bench
     - git clone $TEST_SCRIPT_REPOSITORY
     - python $CHECKOUT_REF_SCRIPT auto_test_script auto_test_script