test: fix `missingType.return` errors (#9542) #13199

Job	Run time
Setup PHP Version for Code Coverage	4s
Others (8.1) / Sanity Tests	2m 18s
Others (8.2) / Sanity Tests	3m 42s
Others (8.3) / Sanity Tests	2m 36s
Others (8.4) / Sanity Tests	2m 38s
SeparateProcess (8.1) / tests	3m 49s
SeparateProcess (8.2) / tests	3m 41s
DatabaseLive (8.2, SQLite3, 8.0) / tests	3m 17s
SeparateProcess (8.3) / tests	3m 28s
DatabaseLive (8.1, MySQLi, 5.7) / tests	3m 39s
DatabaseLive (8.4, MySQLi, 8.0) / tests	4m 31s
DatabaseLive (8.3, Postgre, 8.0) / tests	2m 50s
DatabaseLive (8.3, MySQLi, 8.0) / tests	4m 51s
SeparateProcess (8.4) / tests	3m 19s
DatabaseLive (8.1, OCI8, 8.0) / tests	6m 36s
DatabaseLive (8.2, OCI8, 8.0) / tests	7m 23s
DatabaseLive (8.4, Postgre, 8.0) / tests	2m 30s
DatabaseLive (8.1, SQLSRV, 8.0) / tests	4m 42s
DatabaseLive (8.4, SQLite3, 8.0) / tests	2m 27s
DatabaseLive (8.1, SQLite3, 8.0) / tests	2m 20s
DatabaseLive (8.3, SQLite3, 8.0) / tests	2m 30s
DatabaseLive (8.3, OCI8, 8.0) / tests	6m 21s
DatabaseLive (8.1, MySQLi, 8.0) / tests	4m 50s
DatabaseLive (8.2, SQLSRV, 8.0) / tests	5m 27s
DatabaseLive (8.4, SQLSRV, 8.0) / tests	5m 10s
DatabaseLive (8.1, Postgre, 8.0) / tests	2m 46s
DatabaseLive (8.4, OCI8, 8.0) / tests	6m 10s
DatabaseLive (8.2, MySQLi, 8.0) / tests	6m 45s
CacheLive (8.4) / Cache Live Tests	2m 8s
DatabaseLive (8.2, Postgre, 8.0) / tests	3m 11s
DatabaseLive (8.3, SQLSRV, 8.0) / tests	5m 6s
CacheLive (8.3) / Cache Live Tests	2m 5s
CacheLive (8.1) / Cache Live Tests	2m 20s
CacheLive (8.2) / Cache Live Tests	2m 6s
Upload coverage results to Coveralls / coveralls	34s
	2h 8m 10s

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