New J2K: Split old j2k and new j2k tests

nj2k/testData/newJ2k/nullability/MethodInvokedWithNullArg2.java

@@ -0,0 +1,10 @@
+//file
+class C {
+    public void foo(String s){}
+}
+
+class D {
+    void bar(C c) {
+        c.foo(null);
+    }
+}