Cleanup more test files and directories after tests

#KT-19192

libraries/stdlib/jdk7/test/AbstractPathTest.kt

@@ -0,0 +1,34 @@
+/*
+ * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package kotlin.jdk7.test
+import java.nio.file.Path
+import kotlin.io.path.deleteIfExists
+import kotlin.test.*
+
+abstract class AbstractPathTest {
+    private val cleanUpActions = mutableListOf<Pair<Path, (Path) -> Unit>>()
+
+    fun Path.cleanup(): Path {
+        cleanUpActions.add(this to { it.deleteIfExists() })
+        return this
+    }
+
+    fun Path.cleanupRecursively(): Path {
+        cleanUpActions.add(this to { it.toFile().deleteRecursively() })
+        return this
+    }
+
+    @AfterTest
+    fun cleanUp() {
+        for ((path, action) in cleanUpActions) {
+            try {
+                action(path)
+            } catch (e: Throwable) {
+                println("Failed to execute cleanup action for $path")
+            }
+        }
+    }
+}