Fix cmake test target and call unit tests inside pipeline

.gitlab-ci.yml

@@ -45,6 +45,10 @@ stages:
       - cmake --build .
               --target $TARGET
               --config $RELEASE_TYPE
+      - ctest -C $RELEASE_TYPE
+              --output-on-failure
+              --schedule-random
+              --verbose
       - cd ..
       - conan create
                 --build missing

test/CMakeLists.txt

 add_custom_target(tests-compile ALL COMMENT "Build all the unit tests.")
 
-add_custom_target(tests EXCLUDE_FROM_ALL
+add_custom_target(tests
     DEPENDS tests-compile
     COMMAND ${CMAKE_CTEST_COMMAND} -C ${CMAKE_CONFIGURATION_TYPES} --output-on-failure --schedule-random --verbose
     COMMENT "Build and run all the unit tests.")