Add unittests execution

.gitlab-ci.yml

 stages:
-  - test
+  - unit-tests
+  - integration-tests
 
-integration-ce-22-php72:
-  stage: test
+
+# Unit Tests #
+ce-22-php72-unit:
+  stage: unit-tests
   tags:
     - php72
   variables:
-    EXECUTOR_SUITE: module-integration
+    EXECUTOR_SUITE: module-unit
     MAGENTO_EDITION: community
     MAGENTO_VERSION: 2.2.*
     COVERAGE_REPORT: html
@@ -21,13 +24,50 @@ integration-ce-22-php72:
       - ./report
     expire_in: 1 week
 
-integration-ce-23-php73:
-  stage: test
+ee-23-php73-unit:
+  stage: unit-tests
   tags:
     - php73
+  variables:
+    EXECUTOR_SUITE: module-unit
+    MAGENTO_EDITION: enterprise
+    MAGENTO_VERSION: 2.3.*
+  before_script:
+    - ~/.composer/vendor/met/test-executor/run.sh setup
+  script:
+    - ~/.composer/vendor/met/test-executor/run.sh tests
+  after_script:
+    - ~/.composer/vendor/met/test-executor/run.sh cleanup
+
+
+# Integration Tests #
+ce-22-php72-integration:
+  stage: integration-tests
+  tags:
+    - php72
   variables:
     EXECUTOR_SUITE: module-integration
     MAGENTO_EDITION: community
+    MAGENTO_VERSION: 2.2.*
+    COVERAGE_REPORT: html
+  before_script:
+    - ~/.composer/vendor/met/test-executor/run.sh setup
+  script:
+    - ~/.composer/vendor/met/test-executor/run.sh tests
+  after_script:
+    - ~/.composer/vendor/met/test-executor/run.sh cleanup
+  artifacts:
+    paths:
+      - ./report
+    expire_in: 1 week
+
+ee-23-php73-integration:
+  stage: integration-tests
+  tags:
+    - php73
+  variables:
+    EXECUTOR_SUITE: module-integration
+    MAGENTO_EDITION: enterprise
     MAGENTO_VERSION: 2.3.*
   before_script:
     - ~/.composer/vendor/met/test-executor/run.sh setup