Remove duplicate test

tests/functions/test_non_indexed_foreign_keys.py

@@ -1,14 +1,8 @@
 import sqlalchemy as sa
-from sqlalchemy_utils import escape_like
 from tests import TestCase
 from sqlalchemy_utils.functions import non_indexed_foreign_keys
 
 
-class TestEscapeLike(TestCase):
-    def test_escapes_wildcards(self):
-        assert escape_like('_*%') == '*_***%'
-
-
 class TestFindNonIndexedForeignKeys(TestCase):
     def create_models(self):
         class User(self.Base):
@@ -53,4 +47,3 @@ class TestFindNonIndexedForeignKeys(TestCase):
         ]
         assert 'category_id' in column_names
         assert 'author_id' not in column_names
-