spark git commit: [MINOR][SQL] Fix the test title from =!= to <=>, remove a duplicated test and add a test for =!=

Repository: spark Updated Branches: refs/heads/master 6b9e49d12 -> 13eb37c86 [MINOR][SQL] Fix the test title from =!= to <=>, remove a duplicated test and add a test for =!= ## What changes were proposed in this pull request? This PR proposes three things as below: - This test looks not

spark git commit: [MINOR][SQL] Fix the test title from =!= to <=>, remove a duplicated test and add a test for =!=

Repository: spark Updated Branches: refs/heads/branch-2.2 36d807906 -> 2629e7c7a [MINOR][SQL] Fix the test title from =!= to <=>, remove a duplicated test and add a test for =!= ## What changes were proposed in this pull request? This PR proposes three things as below: - This test looks