Add tests to gitlab-ci

.gitlab-ci.yml

+# Build Icecast
 build:
-
   variables:
     GIT_SUBMODULE_STRATEGY: recursive
 
@@ -19,9 +19,9 @@ build:
     - ./configure || cat config.log
     - make
 
-# run tests using the binary built before
-#test:
-#  stage: test
-#  script:
-#    - ./runmytests.sh
+# Run Tests
+test:
+  stage: test
+  script:
+    - ./tests/admin-tests.sh