junit fork: delete temp file on exit

plugins/junit_rt/src/com/intellij/rt/execution/junit/JUnitForkedStarter.java

@@ -216,6 +216,7 @@ public class JUnitForkedStarter {
                               String dynamicClasspath) throws IOException, InterruptedException {
     //noinspection SSBasedInspection
     final File tempFile = File.createTempFile("fork", "test");
+    tempFile.deleteOnExit();
     final String testOutputPath = tempFile.getAbsolutePath();
 
     final ProcessBuilder builder = new ProcessBuilder();