diff --git a/Tests/TestingTests/Traits/TimeLimitTraitTests.swift b/Tests/TestingTests/Traits/TimeLimitTraitTests.swift
index 00c9cbb44..b29ccb93c 100644
--- a/Tests/TestingTests/Traits/TimeLimitTraitTests.swift
+++ b/Tests/TestingTests/Traits/TimeLimitTraitTests.swift
@@ -184,13 +184,17 @@ struct TimeLimitTraitTests {
       await withTaskGroup(of: Void.self) { taskGroup in
         taskGroup.addTask {
           await Test {
-            try await Test.Clock.sleep(for: .seconds(60))
+            try await Test.Clock.sleep(for: .seconds(60) * 60)
           }.run()
         }
         taskGroup.cancelAll()
       }
     }
-    #expect(timeAwaited < .seconds(5)) // less than the 60 second sleep
+
+    // Expect that the time awaited is significantly less than the duration of
+    // the sleep above. To avoid flakiness in CI, allow for a somewhat long
+    // wait, but still much less than the full sleep duration.
+    #expect(timeAwaited < .seconds(60))
   }
 
   @available(_clockAPI, *)