diff --git a/tests/Fixtures/Tia/Project.php b/tests/Fixtures/Tia/Project.php
index 4348454e..bead90b3 100644
--- a/tests/Fixtures/Tia/Project.php
+++ b/tests/Fixtures/Tia/Project.php
@@ -174,6 +174,9 @@ final class Project
                 'HOME' => $this->home(),
                 'GITHUB_EVENT_PATH' => '',
                 'CI_DEFAULT_BRANCH' => '',
+                'GITHUB_ACTIONS' => '',
+                'GITLAB_CI' => '',
+                'CIRCLECI' => '',
                 ...$environment,
             ],
         );