OZG-4788-move values in unit-values.yaml to unittests itself

xta-adapter/src/test/helm/xta_adapter_bindings_test.yaml

...adapter/src/test/helm/xta_adapter_cronjob_basic_test.yaml

.../src/test/helm/xta_adapter_cronjob_dummy_probes_test.yaml

xta-adapter/src/test/helm/xta_adapter_cronjob_env_test.yaml

...er/src/test/helm/xta_adapter_cronjob_image_pull_test.yaml

...ter/src/test/helm/xta_adapter_cronjob_resources_test.yaml

...apter/src/test/helm/xta_adapter_cronjob_volumes_test.yaml