CI: try other cmake if condition

CI/main_ci.cmake

@@ -29,7 +29,7 @@ set (CTEST_CMAKE_GENERATOR "Ninja")
 set (CTEST_BUILD_NAME "$ENV{CI_COMMIT_SHORT_SHA}")
 if("$ENV{CI_MERGE_REQUEST_SOURCE_BRANCH_NAME}" AND "$ENV{CI_MERGE_REQUEST_TARGET_BRANCH_NAME}")
   set (CTEST_BUILD_NAME "${CTEST_BUILD_NAME} ($ENV{CI_MERGE_REQUEST_SOURCE_BRANCH_NAME} to $ENV{CI_MERGE_REQUEST_TARGET_BRANCH_NAME})")
-elseif("$ENV{CI_COMMIT_REF_NAME}")
+elseif(CI_COMMIT_REF_NAME)
   set (CTEST_BUILD_NAME "${CTEST_BUILD_NAME} ($ENV{CI_COMMIT_REF_NAME})")
 endif()
 set (CTEST_SITE "${IMAGE_NAME}")