don't leave access.txt in read-only so we can clean up

.gitignore

@@ -133,3 +133,4 @@ tests/server/test.js.map
 *.merlin
 lib.sexp
 src/compiler/version.ml
+tests/asys/resources-rw/

tests/asys/test/TestFileSystem.hx

@@ -29,6 +29,7 @@ class TestFileSystem extends Test {
 		exc(() -> NewFS.access("resources-rw/access.txt", Execute));
 
 		// cleanup
+		NewFS.chmod("resources-rw/access.txt", "rw------x");
 		OldFS.deleteFile("resources-rw/access.txt");
 	}