War3MapW3i for version 33 and unit test

https://github.com/ChiefOfGxBxL/WC3MapSpecification/blob/master/Info/0-33.md

Author: tdauth

core/test/com/etheller/warsmash/parsers/w3x/w3i/War3MapW3iTest.java

@@ -23,8 +23,8 @@ void testWoWReforged() throws IOException {
 		assertEquals(12, mapInfo.getPlayers().size());
 		assertEquals(3, mapInfo.getForces().size());
 
-		java.io.File testFile = new java.io.File("target/wowr_w3x/war3map_out.w3i");
-		testFile.getParentFile().mkdirs();
+		java.io.File testFile = java.io.File.createTempFile("war3map_", ".w3i");
+		testFile.deleteOnExit();
 
 		try (LittleEndianDataOutputStream out = new LittleEndianDataOutputStream(new java.io.FileOutputStream(testFile))) {
 			mapInfo.save(out);