Sleep in RunningThreadStackMergeTest that relies on time

Author: qwwdfsad

kotlinx-coroutines-debug/test/RunningThreadStackMergeTest.kt

@@ -70,6 +70,7 @@ class RunningThreadStackMergeTest : DebugTestBase() {
     fun testStackMergeEscapeSuspendMethod() = runTest {
         launchEscapingCoroutine()
         awaitCoroutineStarted()
+        Thread.sleep(10)
         verifyDump(
             "Coroutine \"coroutine#1\":BlockingCoroutine{Active}@62230679", // <- this one is ignored
             "Coroutine \"coroutine#2\":StandaloneCoroutine{Active}@3aea3c67, state: RUNNING\n" +