Core package tests

Author: qwwdfsad

kotlinx-coroutines-core/jvm/test/AtomicCancellationTest.kt renamed to kotlinx-coroutines-core/concurrent/test/AtomicCancellationTest.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2016-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
+ * Copyright 2016-2021 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
  */
 
 package kotlinx.coroutines
@@ -142,4 +142,4 @@ class AtomicCancellationTest : TestBase() {
         yield() // to jobToJoin & canceller
         expect(6)
     }
-}
+}

kotlinx-coroutines-core/jvm/test/JobStructuredJoinStressTest.kt renamed to kotlinx-coroutines-core/concurrent/test/JobStructuredJoinStressTest.kt

@@ -1,10 +1,9 @@
 /*
- * Copyright 2016-2019 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
+ * Copyright 2016-2021 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
  */
 
-package kotlinx.coroutines
-
-import org.junit.*
+import kotlinx.coroutines.*
+import kotlin.test.*
 import kotlin.coroutines.*
 
 /**
@@ -61,4 +60,4 @@ class JobStructuredJoinStressTest : TestBase() {
         }
         finish(2 + nRepeats)
     }
-}
+}