support ListOptions for ListMembershipsForBillableGroupMember

group_members.go

@@ -258,14 +258,14 @@ func (s *GroupsService) ListBillableGroupMembers(gid interface{}, opt *ListBilla
 //
 // GitLab API docs:
 // https://docs.gitlab.com/ee/api/members.html#list-memberships-for-a-billable-member-of-a-group
-func (s *GroupsService) ListMembershipsForBillableGroupMember(gid interface{}, user int, options ...RequestOptionFunc) ([]*BillableUserMembership, *Response, error) {
+func (s *GroupsService) ListMembershipsForBillableGroupMember(gid interface{}, user int, opt *ListOptions, options ...RequestOptionFunc) ([]*BillableUserMembership, *Response, error) {
 	group, err := parseID(gid)
 	if err != nil {
 		return nil, nil, err
 	}
 	u := fmt.Sprintf("groups/%s/billable_members/%d/memberships", PathEscape(group), user)
 
-	req, err := s.client.NewRequest(http.MethodGet, u, nil, options)
+	req, err := s.client.NewRequest(http.MethodGet, u, opt, options)
 	if err != nil {
 		return nil, nil, err
 	}

group_members_test.go

@@ -102,7 +102,7 @@ func TestListMembershipsForBillableGroupMember(t *testing.T) {
 				]`)
 		})
 
-	memberships, _, err := client.Groups.ListMembershipsForBillableGroupMember(1, 42)
+	memberships, _, err := client.Groups.ListMembershipsForBillableGroupMember(1, 42, &ListOptions{})
 	if err != nil {
 		t.Errorf("Groups.ListMembershipsForBillableGroupMember returned error: %v", err)
 	}