[Test] Properly delete temporary directories after test run

compiler/test-infrastructure/tests/org/jetbrains/kotlin/test/TestRunner.kt

@@ -9,6 +9,7 @@ import com.intellij.openapi.util.Disposer
 import com.intellij.testFramework.TestDataFile
 import org.jetbrains.kotlin.test.model.*
 import org.jetbrains.kotlin.test.services.*
+import java.io.IOException
 
 class TestRunner(private val testConfiguration: TestConfiguration) {
     private val failedAssertions = mutableListOf<AssertionError>()
@@ -17,6 +18,11 @@ class TestRunner(private val testConfiguration: TestConfiguration) {
         try {
             runTestImpl(testDataFileName)
         } finally {
+            try {
+                testConfiguration.testServices.temporaryDirectoryManager.cleanupTemporaryDirectories()
+            } catch (_: IOException) {
+                // ignored
+            }
             Disposer.dispose(testConfiguration.rootDisposable)
         }
     }

compiler/test-infrastructure/tests/org/jetbrains/kotlin/test/services/SourceFileProvider.kt

@@ -25,9 +25,9 @@ abstract class SourceFileProvider : TestService {
 
 val TestServices.sourceFileProvider: SourceFileProvider by TestServices.testServiceAccessor()
 
-class SourceFileProviderImpl(val preprocessors: List<SourceFilePreprocessor>) : SourceFileProvider() {
-    override val kotlinSourceDirectory: File = KtTestUtil.tmpDir("kotlin-files")
-    override val javaSourceDirectory: File = KtTestUtil.tmpDir("java-files")
+class SourceFileProviderImpl(val testServices: TestServices, val preprocessors: List<SourceFilePreprocessor>) : SourceFileProvider() {
+    override val kotlinSourceDirectory: File = testServices.createTempDirectory("kotlin-files")
+    override val javaSourceDirectory: File = testServices.createTempDirectory("java-files")
 
     private val contentOfFiles = mutableMapOf<TestFile, String>()
     private val realFileMap = mutableMapOf<TestFile, File>()

compiler/test-infrastructure/tests/org/jetbrains/kotlin/test/services/TemporaryDirectoryManager.kt

@@ -0,0 +1,19 @@
+/*
+ * Copyright 2010-2021 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 org.jetbrains.kotlin.test.services
+
+import java.io.File
+
+abstract class TemporaryDirectoryManager(protected val testServices: TestServices) : TestService {
+    abstract fun createTempDirectory(name: String): File
+    abstract fun cleanupTemporaryDirectories()
+}
+
+val TestServices.temporaryDirectoryManager: TemporaryDirectoryManager by TestServices.testServiceAccessor()
+
+fun TestServices.createTempDirectory(name: String): File {
+    return temporaryDirectoryManager.createTempDirectory(name)
+}