OZG-3328 cleanup and add helm unittests;OZG-5115 update helm unittest command

run_helm_test.sh

src/main/helm/templates/api_password_secret.yaml

src/main/helm/templates/image_pull_secret.yaml

src/main/helm/templates/keycloak_user_crd.yaml

src/test/helm/api_password_secret_test.yaml

src/test/helm/cert_issuer_test.yaml

...test/helm/deployment_container_security_context_test.yaml

src/test/helm/deployment_default_spec_test.yaml

src/test/helm/deployment_defaults_labels_test.yaml

...m/deployment_defaults_topologySpreadConstraints_test.yaml

src/test/helm/deployment_env_test.yaml

src/test/helm/deployment_imagepull_secret_test.yaml

src/test/helm/deployment_keycloak_values_test.yaml

...test/helm/deployment_mongodb_passwort_secretref_test.yaml

src/test/helm/deployment_optional_trust_store_test.yaml

src/test/helm/deployment_probes_test.yaml

src/test/helm/deployment_realm_name_length_test.yaml

src/test/helm/deployment_resources_test.yaml

src/test/helm/deployment_url_value_test.yaml

.../helm/deyploment_general_value_and_default_spec_test.yaml