Java: update method name in test

Author: Jami Cogswell

java/ql/test/library-tests/pathsanitizer/Test.java

@@ -475,7 +475,7 @@ private void fileConstructorValidation(String path) throws Exception {
             throw new Exception();
     }
 
-    public void fileConstructor() throws Exception {
+    public void fileConstructorSanitizer() throws Exception {
         // PathTraversalGuard
         {
             String source = (String) source();