Add failing test for #352.

It appears that the preproc is only bringing in the first arg in rewrite and this commit adds a test to check that other arguments also come over.

java/test/processing/mode/java/ParserTests.java

@@ -325,6 +325,11 @@ public class ParserTests {
     expectGood("fullscreen", true);
   }
 
+  @Test
+  public void fullscreenArg() {
+    expectGood("fullscreen_arg", true);
+  }
+
   @Test
   public void customMain() {
     expectGood("custommain", true);