8341997: Tests create files in src tree instead of scratch dir

Reviewed-by: erikj, jpai

Author: Brian Burkhalter

test/jdk/java/io/FileInputStream/ReadXBytes.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2021, 2024, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -45,7 +45,7 @@ public class ReadXBytes {
     private static final Random RND = RandomFactory.getRandom();
 
     public static void main(String args[]) throws IOException {
-        File dir = new File(System.getProperty("test.src", "."));
+        File dir = new File(".");
         dir.deleteOnExit();
 
         File empty = File.createTempFile("foo", "bar", dir);

test/jdk/java/nio/MappedByteBuffer/ForceException.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2021, 2024, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -40,7 +40,7 @@ public static void main(String[] args) throws IOException {
         int numberOfBlocks = 200;
         int fileLength = numberOfBlocks * blockSize;
 
-        File file = new File(System.getProperty("test.src", "."), "test.dat");
+        File file = new File(".", "test.dat");
         file.deleteOnExit();
         try (RandomAccessFile raf = new RandomAccessFile(file, "rw")) {
             raf.setLength(fileLength);

test/jdk/java/nio/MappedByteBuffer/ForceViews.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2021, 2024, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -51,7 +51,7 @@ static record Segment(int position, int length) {}
 
     @BeforeTest(alwaysRun=true)
     public void openChannel() throws IOException {
-        Path file = Path.of(System.getProperty("test.src", "."), "junk");
+        Path file = Path.of(".", "junk");
         fc = FileChannel.open(file, CREATE_NEW, READ, WRITE, DELETE_ON_CLOSE);
         ByteBuffer buf = ByteBuffer.wrap(new byte[1024]);
         fc.write(buf);