1 files changed, 9 insertions, 0 deletions
diff --git a/spec/lib/gitlab/ci/trace_spec.rb b/spec/lib/gitlab/ci/trace_spec.rb
index 171877dbaee..f037e803fb4 100644
--- a/spec/lib/gitlab/ci/trace_spec.rb
+++ b/spec/lib/gitlab/ci/trace_spec.rb
@@ -111,4 +111,13 @@ RSpec.describe Gitlab::Ci::Trace, :clean_gitlab_redis_shared_state do
       end
     end
   end
+
+  describe '#lock' do
+    it 'acquires an exclusive lease on the trace' do
+      trace.lock do
+        expect { trace.lock }
+          .to raise_error described_class::LockedError
+      end
+    end
+  end
 end