@Test
 public void Nothing_Found_With_Not_Equals_Or_Equals() throws Exception {
   testQuery(
       title.ne("jurassic park").or(rating.eq("lousy")),
       "(-title:\"jurassic park\" +*:*) rating:lousy",
       0);
 }
 @Test
 public void Not_Equals_Empty_String() throws Exception {
   testQuery(title.ne(""), "-title: +*:*", 1);
 }
 @Test
 public void Ne_and_eq() throws Exception {
   testQuery(title.ne("house").and(rating.eq("good")), "+(-title:house +*:*) +rating:good", 1);
 }
 @Test
 public void Not_Equals_Finds_None() throws Exception {
   testQuery(title.ne("Jurassic Park"), "-title:\"jurassic park\" +*:*", 0);
 }
 @Test
 public void Not_Equals_Finds_One() throws Exception {
   testQuery(title.ne("house"), "-title:house +*:*", 1);
 }