adding resource group.

When many pipelines run at the same time, could cause some collision, false results, or not passing tests.
Restructured CI to avoid this from happening.

.gitlab/test.yml

@@ -41,16 +41,9 @@ run-test-job:
   before_script:
     - python3 -m venv "$CI_PROJECT_DIR/plugins/venv"
     - source "$CI_PROJECT_DIR/plugins/venv/bin/activate"
-    - pip install -r "$CI_PROJECT_DIR/plugins/netbox-rps-plugin/tests/requirements.e2e.txt"
-    - pip install -r "$CI_PROJECT_DIR/plugins/netbox-cert-plugin/tests/requirements.e2e.txt"
     - pip install -r "$CI_PROJECT_DIR/tests/requirements.e2e.txt"
   script:
-    - env HOST="${TEST_HOST}" PORT="${TEST_PORT}" API_KEY="$API_KEY"
-      pytest -s --junit-xml=tests-report-netbox-rps-plugin.xml "$CI_PROJECT_DIR/plugins/netbox-rps-plugin/tests/"
-    - env HOST="${TEST_HOST}" PORT="${TEST_PORT}" API_KEY="$API_KEY"
-      pytest -s --junit-xml=tests-report-netbox-cert-plugin.xml "$CI_PROJECT_DIR/plugins/netbox-cert-plugin/tests/"
-    - env HOST="${TEST_HOST}" PORT="${TEST_PORT}" API_KEY="$API_KEY"
-      pytest -s --junit-xml=tests-report-netbox-dist-plugin.xml "$CI_PROJECT_DIR/tests/e2e/"
+    - env HOST="${TEST_HOST}" PORT="${TEST_PORT}" API_KEY="$API_KEY" pytest -s --junit-xml=tests-report-netbox-dist-plugin.xml "$CI_PROJECT_DIR/tests/e2e/"
   after_script:
     - deactivate
     - rm -rf "$CI_PROJECT_DIR/plugins/venv"