CI: do not fetch submodules in target tests

.gitlab/ci/assign-test.yml

@@ -3,6 +3,8 @@
   stage: assign_test
   tags:
     - assign_test
+  variables:
+    SUBMODULES_TO_FETCH: "none"
   artifacts:
     paths:
       - ${TEST_DIR}/test_configs

.gitlab/ci/target-test.yml

@@ -268,6 +268,7 @@ test_app_test_pytest_esp32s2_usb_host:
     TEST_FW_PATH: "$CI_PROJECT_DIR/tools/tiny-test-fw"
     LOG_PATH: "$CI_PROJECT_DIR/TEST_LOGS"
     ENV_FILE: "$CI_PROJECT_DIR/ci-test-runner-configs/$CI_RUNNER_DESCRIPTION/EnvConfig.yml"
+    SUBMODULES_TO_FETCH: "none"
   script:
     - *define_config_file_name
     # first test if config file exists, if not exist, exit 0