Fix check constraint regression tests.

web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/check_constraint/tests/test_check_constraint_add.py

@@ -25,7 +25,7 @@ class CheckConstraintAddTestCase(BaseTestGenerator):
     """This class will add check constraint to existing table"""
     scenarios = [
         ('Add check constraint to table',
-         dict(url='/browser/check_constraints/obj/'))
+         dict(url='/browser/check_constraint/obj/'))
     ]
 
     def setUp(self):

web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/check_constraint/tests/test_check_constraint_delete.py

@@ -25,7 +25,7 @@ class CheckConstraintDeleteTestCase(BaseTestGenerator):
     """This class will delete check constraint to existing table"""
     scenarios = [
         ('Delete check constraint to table',
-         dict(url='/browser/check_constraints/obj/'))
+         dict(url='/browser/check_constraint/obj/'))
     ]
 
     def setUp(self):

web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/check_constraint/tests/test_check_constraint_get.py

@@ -25,7 +25,7 @@ class CheckConstraintGetTestCase(BaseTestGenerator):
     """This class will fetch check constraint to existing table"""
     scenarios = [
         ('Fetch check constraint to table',
-         dict(url='/browser/check_constraints/obj/'))
+         dict(url='/browser/check_constraint/obj/'))
     ]
 
     def setUp(self):

web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/check_constraint/tests/test_check_constraint_put.py

@@ -26,7 +26,7 @@ class CheckConstraintPutTestCase(BaseTestGenerator):
     """This class will update check constraint to existing table"""
     scenarios = [
         ('Update check constraint to table',
-         dict(url='/browser/check_constraints/obj/'))
+         dict(url='/browser/check_constraint/obj/'))
     ]
 
     def setUp(self):