[Coding Style] Use camel case for method names in remaining tests #4878

Job	Run time
Client	1m 17s
Javascript	3m 55s
UI (0)	14m 9s
UI (1)	13m 6s
PHP (UnitTests, 7.2, PDO_MYSQL)	3m 15s
UI (2)	13m 3s
PHP (UnitTests, 8.2, MYSQLI)	2m 50s
UI (3)	11m 9s
PHP (UnitTests, 8.3, MYSQLI)	3m 49s
PHP (SystemTestsPlugins, 7.2, PDO_MYSQL)	11m 42s
PHP (SystemTestsPlugins, 8.2, MYSQLI)	13m 52s
PHP (SystemTestsPlugins, 8.3, MYSQLI)	13m 38s
PHP (SystemTestsCore, 7.2, PDO_MYSQL)	7m 18s
PHP (SystemTestsCore, 8.2, MYSQLI)	9m 9s
PHP (SystemTestsCore, 8.3, MYSQLI)	9m 7s
PHP (IntegrationTestsCore, 7.2, PDO_MYSQL)	9m 41s
PHP (IntegrationTestsCore, 8.2, MYSQLI)	11m 59s
PHP (IntegrationTestsCore, 8.3, MYSQLI)	12m 3s
PHP (IntegrationTestsPlugins, 7.2, PDO_MYSQL)	14m 25s
PHP (IntegrationTestsPlugins, 8.2, MYSQLI)	14m 20s
PHP (IntegrationTestsPlugins, 8.3, MYSQLI)	14m 23s
	3h 28m 10s

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