test(Install): fix context formigration test

Author: btry

tests/migration/migration_to_1_2_0_Test.php

@@ -89,6 +89,7 @@ public function testUpdateCountryLocationZoneRelation()
             'plugin_carbon_zones_id'   => $zone_id,
         ]);
         $source_zone_id = $DB->insertId();
+        $migration = new Migration('1.2.0'); // Used in the migration file
         $migration_file = __DIR__ . '/../../install/migration/update_1.1.0_to_1.2.0/04_update_location_zone_relation.php';
         $migration_file = realpath($migration_file);
         require($migration_file);
@@ -134,6 +135,7 @@ public function testUpdateStateLocationZoneRelation()
             'plugin_carbon_zones_id'   => $zone_id,
         ]);
         $source_zone_id = $DB->insertId();
+        $migration = new Migration('1.2.0'); // Used in the migration file
         $migration_file = __DIR__ . '/../../install/migration/update_1.1.1_to_1.2.0/04_update_location_zone_relation.php';
         $migration_file = realpath($migration_file);
         require($migration_file);