Added confkey to make @NonNull generate a different exception because of the IllegalArgumentException vs. NullPointerException that we really don’t want to get into.

test/transform/resource/before/NonNullWithAlternateException.java

@@ -0,0 +1,9 @@
+//CONF: lombok.nonNull.exceptionType = java.lang.IllegalArgumentException
+
+public class NonNullWithAlternateException {
+	@lombok.NonNull @lombok.Setter private String test;
+
+	public void testMethod(@lombok.NonNull String arg) {
+		System.out.println(arg);
+	}
+}