Use fixture name consistently

Author: jasonmccreary

tests/Feature/Generator/MigrationGeneratorTest.php

@@ -100,7 +100,7 @@ public function modelTreeDataProvider()
         return [
             ['definitions/readme-example.bp', 'database/migrations/timestamp_create_posts_table.php', 'migrations/readme-example.php'],
             ['definitions/model-identities.bp', 'database/migrations/timestamp_create_relationships_table.php', 'migrations/identity-columns.php'],
-            ['definitions/model-modifiers.bp', 'database/migrations/timestamp_create_modifiers_table.php', 'migrations/modifiers.php'],
+            ['definitions/model-modifiers.bp', 'database/migrations/timestamp_create_modifiers_table.php', 'migrations/model-modifiers.php'],
             ['definitions/soft-deletes.bp', 'database/migrations/timestamp_create_comments_table.php', 'migrations/soft-deletes.php'],
             ['definitions/with-timezones.bp', 'database/migrations/timestamp_create_comments_table.php', 'migrations/with-timezones.php'],
             ['definitions/relationships.bp', 'database/migrations/timestamp_create_comments_table.php', 'migrations/relationships.php'],