Update CI to run unit tests

Author: apdavison

.gitlab-ci.yml

@@ -2,6 +2,19 @@ stages:
   - build
   - test
 
+run_unit_tests:
+  image: docker-registry.ebrains.eu/model-catalog/node:22-alpine
+  stage: test
+  rules:
+    - changes:
+      - apps/model_catalog/**/*
+  script:
+    - cd apps/model_catalog
+    - npm ci
+    - npm run test
+  tags:
+    - docker-runner
+
 run_cypress_tests:
   image: cypress/browsers:node12.14.1-chrome85-ff81
   stage: test