fix delete for tests

internal/iam/repository_principal_role_test.go

@@ -110,7 +110,8 @@ func TestRepository_AddPrincipalRoles(t *testing.T) {
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
 			assert, require := assert.New(t), require.New(t)
-			require.NoError(conn.Where("1=1").Delete(allocRole()).Error)
+			require.NoError(conn.Where("1=1").Delete(allocUserRole()).Error)
+			require.NoError(conn.Where("1=1").Delete(allocGroupRole()).Error)
 			got, err := repo.AddPrincipalRoles(context.Background(), tt.args.roleId, tt.args.roleVersion, tt.args.userIds, tt.args.groupIds, tt.args.opt...)
 			if tt.wantErr {
 				require.Error(err)