Run some tests just if plugin is installed.

When having different branches, with different plugins, some branches test different plugins that other ones.

I wanted the same CI to select dynamically different test case scenarios.
To keep compatibility some conditional has to be added.

.gitlab/test.yml

@@ -42,13 +42,12 @@ run-test-job:
     - python3 -m venv "$CI_PROJECT_DIR/plugins/venv"
     - source "$CI_PROJECT_DIR/plugins/venv/bin/activate"
     - pip install -r "$CI_PROJECT_DIR/tests/requirements.e2e.txt"
-    # Remove some tests if plugins are not installed, to keep compatibility with Netbox_v4 branches.
-    - if [[ $(cat requirements.txt | grep -e mac -e cert | wc -l)  != 0 ]];
-        then
-          rm -r $CI_PROJECT_DIR/tests/e2e/netbox/{netbox_cert_plugin,netbox_mac_address_plugin};
-          echo "Removed mac's and cert's tests.";
-          ls "$CI_PROJECT_DIR/tests/e2e/netbox/";
-      fi
+    # Remove some tests if plugins are not installed, to keep CI compatibility with different testing branches.
+    - for str in {cert,mac,rps};
+        if [[ $(cat requirements.txt | grep -e ${str} | wc -l)  == 0 ]]; then
+          rm -r $CI_PROJECT_DIR/tests/e2e/netbox/netbox_${str}*_plugin;
+          echo "Removed ${str}'s python tests.";
+        fi
   script:
     - env HOST="${TEST_HOST}" PORT="${TEST_PORT}" API_KEY="$API_KEY" pytest -s --junit-xml=tests-report-netbox-dist-plugin.xml "$CI_PROJECT_DIR/tests/e2e/"
   after_script:
@@ -67,13 +66,12 @@ run-robot-test-job:
     - python3 -m venv "$CI_PROJECT_DIR/plugins/venv"
     - source "$CI_PROJECT_DIR/plugins/venv/bin/activate"
     - docker build -t robotframework:latest ./tests/docker/
-    # Remove some tests if plugins are not installed, to keep compatibility with Netbox_v4 branches.
-    - if [[ $(cat requirements.txt | grep -e mac -e cert | wc -l)  != 0 ]];
-        then
-          rm -r $CI_PROJECT_DIR/tests/robot/netbox_mac_address_plugin;
-          echo "Removed mac's tests.";
-          ls "$CI_PROJECT_DIR/tests/robot/";
-      fi
+    # Remove some tests if plugins are not installed, to keep CI compatibility with different testing branches.
+    - for str in {mac,};
+        if [[ $(cat requirements.txt | grep -e ${str} | wc -l)  == 0 ]]; then
+          rm -r $CI_PROJECT_DIR/tests/robot/netbox_${str}*_plugin;
+          echo "Removed ${str}'s robot tests.";
+        fi
   script:
     - docker run --rm -v $CI_PROJECT_DIR:/project --network "host" robotframework:latest bash -c
       "robot -v HOST:"${TEST_HOST}" -v PORT:"${TEST_PORT}" -v API_TOKEN:"$API_KEY" --outputdir /project/reports /project/tests/robot/"