DeleteTermsByNameModuleTest fails for the 'not_equal_to' and 'equal_to' datasets

[esudalaimadan]

Blocks #478

There were 4 failures:

1. BulkWP\BulkDelete\Core\Terms\Modules\DeleteTermsByNameModuleTest::test_that_terms_can_be_deleted_by_name_using_various_filters with data set #0 (array('post', 'post_tag', array('Term A', 'Term B', 'Term C', 'term A')), array('Term A', 'equal_to'), 1, array('Term B', 'Term C', 'term A'))
   Failed asserting that null is not null.

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2. BulkWP\BulkDelete\Core\Terms\Modules\DeleteTermsByNameModuleTest::test_that_terms_can_be_deleted_by_name_using_various_filters with data set Ability to delete posts by custom post type #4 (array('post', 'post_tag', array('Term A', 'Term B', 'Term C', 'term A')), array('Term A', 'not_equal_to'), 3, array('Term A'))
   Failed asserting that 2 matches expected 3.

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3. BulkWP\BulkDelete\Core\Terms\Modules\DeleteTermsByNameModuleTest::test_that_terms_can_be_deleted_by_name_using_various_filters with data set Ability to delete posts based on users #6 (array('post', 'custom_taxonomy', array('Term A', 'Term sample B', 'Term Sample C')), array('Term sample C', 'not_equal_to'), 3, array())
   Failed asserting that 2 matches expected 3.

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4. BulkWP\BulkDelete\Core\Terms\Modules\DeleteTermsByNameModuleTest::test_that_terms_can_be_deleted_by_name_using_various_filters with data set Ability to delete attachments of posts that are getting deleted #7 (array('post', 'custom_taxonomy', array('Term A', 'Term sample B', 'Term Sample C')), array('Term sample', 'not_equal_to'), 0, array('Term A', 'Term sample B', 'Term Sample C'))
   Failed asserting that 3 matches expected 0.

[rajanvijayan]

1. We could not insert terms with the same name (It's not case sensitive).
   https://www.evernote.com/shard/s744/u/0/sh/4d270d00-353e-40fd-a0bb-0d837262f80a/454edd6b63bd16a7555fa995a86135e2

If we pass array('Term A', 'Term B', 'Term C', 'term A') Just the first three terms should be added

[rajanvijayan]

@sudar I have to fix this issue #502

[sudar]

@rajanit2000

Terms are not case sensitive in WordPress.

If you pass Term A and term A, then it should create two terms.