Add matrix to CI for multiple workers tests execution

.gitlab-ci.yml

@@ -218,6 +218,22 @@ test_wax_wasm:
       artifacts: true
   tags:
     - public-runner-docker
+  parallel:
+    matrix:
+      - TEST_GROUPS: [
+        --project=wax_testsuite,
+        --project=healthchecker_tests,
+        --project=wax_testsuite_custom_chain_options,
+        --project=wax_regression_tests --project=wax_operation_factories --project=wax_encrypted_operations,
+        --project=wax_non_encrypted_operations,
+        --project=wax_utils,
+        --project=wax_custom_chain_online_tx --project=wax_mock_tests
+      ]
+  script:
+    - cd ts
+    - npx playwright install
+    - unset CI
+    - npx playwright test --workers 1 --max-failures 1 $TEST_GROUPS
 
 test_wax_wasm_proto_pattern:
   extends: .npm_process_built_package_tarball