[lldb] Make TestSwiftActorUnprioritisedJobs deterministic

Author: kastiglione

lldb/test/API/lang/swift/async/actors/unprioritised_jobs/TestSwiftActorUnprioritisedJobs.py

@@ -7,10 +7,6 @@
 class TestCase(TestBase):
 
     @swiftTest
-    @skipUnlessFoundation
-    @skipIfWindows  # temporarily skip test until fails can be investigated
-    @skipIfLinux    # temporarily skip test until fails can be investigated
-    @skipIfDarwin   # temporarily skip test until fails can be investigated
     def test_actor_unprioritised_jobs(self):
         """Verify that an actor exposes its unprioritised jobs (queue)."""
         self.build()
@@ -19,12 +15,11 @@ def test_actor_unprioritised_jobs(self):
         )
         frame = thread.GetSelectedFrame()
         defaultActor = frame.var("a.$defaultActor")
-        self.assertEqual(defaultActor.summary, "running")
         unprioritised_jobs = defaultActor.GetChildMemberWithName("unprioritised_jobs")
         # There are 4 child tasks (async let), the first one occupies the actor
         # with a sleep, the next 3 go on to the queue.
-        # TODO: rdar://148377173
-        # self.assertEqual(unprioritised_jobs.num_children, 3)
+        self.assertEqual(unprioritised_jobs.num_children, 3)
+        self.assertEqual(defaultActor.summary, "running")
         for job in unprioritised_jobs:
             self.assertRegex(job.name, r"^\d+")
             self.assertRegex(job.summary, r"^id:\d+ flags:\S+")

lldb/test/API/lang/swift/async/actors/unprioritised_jobs/main.swift

@@ -1,10 +1,8 @@
-import Foundation
-
 actor Actor {
     var data: Int = 15
 
     func occupy() async {
-        Thread.sleep(forTimeInterval: 100)
+        _ = readLine()
     }
 
     func work() async -> Int {