Three times as longer stress test (x30 multiplier)

Author: elizarov

kotlinx-coroutines-core/src/test/kotlin/kotlinx/coroutines/experimental/TestBase.kt

@@ -23,7 +23,7 @@ import java.util.concurrent.atomic.AtomicReference
 
 open class TestBase {
     val isStressTest = System.getProperty("stressTest") != null
-    val stressTestMultiplier = if (isStressTest) 10 else 1
+    val stressTestMultiplier = if (isStressTest) 30 else 1
 
     var actionIndex = AtomicInteger()
     var finished = AtomicBoolean()