Increase expectation slop for clock tests

Author: phausler

test/Concurrency/Runtime/clock.swift

@@ -23,7 +23,7 @@ var tests = TestSuite("Time")
       }
       // give a reasonable range of expected elapsed time
       expectGT(elapsed, .milliseconds(90))
-      expectLT(elapsed, .milliseconds(200))
+      expectLT(elapsed, .milliseconds(1000))
     }
 
     tests.test("ContinuousClock sleep with tolerance") {
@@ -33,15 +33,15 @@ var tests = TestSuite("Time")
       }
       // give a reasonable range of expected elapsed time
       expectGT(elapsed, .milliseconds(90))
-      expectLT(elapsed, .milliseconds(300))
+      expectLT(elapsed, .milliseconds(2000))
     }
 
     tests.test("ContinuousClock sleep longer") {
       let elapsed = await ContinuousClock().measure {
         try! await Task.sleep(until: .now + .seconds(1), clock: .continuous)
       }
       expectGT(elapsed, .seconds(1) - .milliseconds(90))
-      expectLT(elapsed, .seconds(1) + .milliseconds(200))
+      expectLT(elapsed, .seconds(1) + .milliseconds(1000))
     }
 
     tests.test("SuspendingClock sleep") {
@@ -51,7 +51,7 @@ var tests = TestSuite("Time")
       }
       // give a reasonable range of expected elapsed time
       expectGT(elapsed, .milliseconds(90))
-      expectLT(elapsed, .milliseconds(200))
+      expectLT(elapsed, .milliseconds(1000))
     }
 
     tests.test("SuspendingClock sleep with tolerance") {
@@ -61,15 +61,15 @@ var tests = TestSuite("Time")
       }
       // give a reasonable range of expected elapsed time
       expectGT(elapsed, .milliseconds(90))
-      expectLT(elapsed, .milliseconds(300))
+      expectLT(elapsed, .milliseconds(2000))
     }
 
     tests.test("SuspendingClock sleep longer") {
       let elapsed = await SuspendingClock().measure {
         try! await Task.sleep(until: .now + .seconds(1), clock: .suspending)
       }
       expectGT(elapsed, .seconds(1) - .milliseconds(90))
-      expectLT(elapsed, .seconds(1) + .milliseconds(200))
+      expectLT(elapsed, .seconds(1) + .milliseconds(1000))
     }
 
     tests.test("duration addition") {