test: fix `generator.valueType` error #13154

Job	Run time
Setup PHP Version for Code Coverage	2s
Others (8.2) / Sanity Tests	3m 46s
Others (8.1) / Sanity Tests	2m 19s
Others (8.4) / Sanity Tests	2m 19s
Others (8.3) / Sanity Tests	2m 21s
SeparateProcess (8.3) / tests	3m 27s
SeparateProcess (8.2) / tests	3m 23s
SeparateProcess (8.1) / tests	3m 4s
SeparateProcess (8.4) / tests	3m 11s
CacheLive (8.3) / Cache Live Tests	1m 57s
CacheLive (8.4) / Cache Live Tests	2m 1s
CacheLive (8.1) / Cache Live Tests	2m 10s
DatabaseLive (8.2, SQLSRV, 8.0) / tests	5m 4s
DatabaseLive (8.3, MySQLi, 8.0) / tests	5m 17s
DatabaseLive (8.1, MySQLi, 5.7) / tests	3m 14s
DatabaseLive (8.1, Postgre, 8.0) / tests	2m 43s
DatabaseLive (8.2, MySQLi, 8.0) / tests	4m 12s
CacheLive (8.2) / Cache Live Tests	2m 27s
DatabaseLive (8.3, SQLSRV, 8.0) / tests	5m 19s
DatabaseLive (8.2, Postgre, 8.0) / tests	3m 32s
DatabaseLive (8.4, MySQLi, 8.0) / tests	5m 22s
DatabaseLive (8.1, SQLite3, 8.0) / tests	2m 35s
DatabaseLive (8.4, SQLite3, 8.0) / tests	2m 43s
DatabaseLive (8.1, OCI8, 8.0) / tests	6m 11s
DatabaseLive (8.3, SQLite3, 8.0) / tests	2m 41s
DatabaseLive (8.1, SQLSRV, 8.0) / tests	5m 23s
DatabaseLive (8.2, OCI8, 8.0) / tests	6m 16s
DatabaseLive (8.1, MySQLi, 8.0) / tests	3m 10s
DatabaseLive (8.4, OCI8, 8.0) / tests	6m 18s
DatabaseLive (8.3, Postgre, 8.0) / tests	2m 45s
DatabaseLive (8.4, Postgre, 8.0) / tests	3m 12s
DatabaseLive (8.2, SQLite3, 8.0) / tests	3m 12s
DatabaseLive (8.4, SQLSRV, 8.0) / tests	4m 2s
DatabaseLive (8.3, OCI8, 8.0) / tests	2m 59s
Upload coverage results to Coveralls	0s
	1h 58m 37s

Provide feedback