diff -r 5b535fe2f364 -r 9847a097266e cubicweb/dataimport/test/test_massive_store.py
--- a/cubicweb/dataimport/test/test_massive_store.py	Tue Sep 27 12:02:07 2016 +0200
+++ b/cubicweb/dataimport/test/test_massive_store.py	Wed Sep 28 08:57:48 2016 +0200
@@ -140,7 +140,7 @@
 
             store._drop_constraints()
             indexes = all_indexes(cnx)
-            self.assertNotIn('entities_pkey', indexes)
+            self.assertIn('entities_pkey', indexes)
             self.assertNotIn(build_index_name('owned_by_relation', ['eid_from', 'eid_to'], 'key_'),
                              indexes)
             self.assertNotIn(build_index_name('owned_by_relation', ['eid_from'], 'idx_'),
@@ -249,7 +249,7 @@
 
             # Check index
             indexes = all_indexes(cnx)
-            self.assertNotIn('entities_pkey', indexes)
+            self.assertIn('entities_pkey', indexes)
             self.assertNotIn(build_index_name('owned_by_relation', ['eid_from', 'eid_to'], 'key_'),
                              indexes)
             self.assertNotIn(build_index_name('owned_by_relation', ['eid_from'], 'idx_'),