Disable the GitLab integration tests (but keep the GitHub integration tests) (#509)

* CI: Add a `workflow_dispatch` trigger for the integration tests

* Factor the "services to test" list out into a separate variable

* Disable the GitLab integration tests (but keep the GitHub integration tests)

Author: DilumAluthge

.github/workflows/ci_integration.yml

@@ -11,6 +11,7 @@ on:
   push:
     branches:
       - master
+  workflow_dispatch: # Allows us to manually trigger the integration tests.
 concurrency:
   group: integration-tests-global-lock
   cancel-in-progress: false

test/integration_tests.jl

@@ -274,7 +274,11 @@ function run_integration_tests(
     return _cleanup_old_branches(url)
 end
 
-@testset "$(service)" for service in [GITHUB, GITLAB]
+const services_to_test = [
+    GITHUB,
+    # GITLAB,
+]
+@testset "$(service)" for service in services_to_test
     personal_access_token = ENV["INTEGRATION_PAT_$(service)"]
     test_repo = ENV["INTEGRATION_TEST_REPO_$(service)"]