Attempt for fix flaky debugger tests - wait for the resume before exit

idea/testData/debugger/tinyApp/src/forTests/coroutines.kt

@@ -4,6 +4,8 @@ import kotlin.coroutines.experimental.Continuation
 import kotlin.coroutines.experimental.CoroutineContext
 import kotlin.coroutines.experimental.EmptyCoroutineContext
 import kotlin.coroutines.experimental.startCoroutine
+import java.util.concurrent.CountDownLatch
+import java.util.concurrent.TimeUnit
 
 open class EmptyContinuation(override val context: CoroutineContext = EmptyCoroutineContext) : Continuation<Any?> {
     companion object : EmptyContinuation()
@@ -14,3 +16,22 @@ open class EmptyContinuation(override val context: CoroutineContext = EmptyCorou
 fun builder(c: suspend () -> Unit) {
     c.startCoroutine(EmptyContinuation)
 }
+
+class WaitFinish(
+        private val timeout: Long = 5,
+        private val unit: TimeUnit = TimeUnit.SECONDS
+) {
+    private val cdl = CountDownLatch(1)
+
+    fun finish() {
+        cdl.countDown()
+    }
+
+    fun waitEnd() {
+        if (!cdl.await(timeout, unit)) {
+            throw java.lang.IllegalStateException("Too long wait in debugger test!")
+        }
+
+        Thread.sleep(10)
+    }
+}