Generic/OpeningFunctionBraceKernighanRichie: improve test coverage #2174

Job	Run time
Coverage: 8.4 (Linux)	4m 26s
Coverage: 8.4 (Win)	1m 49s
Coverage: 5.4 (Linux)	26m 14s
Coverage: 5.5 (Win)	3m 0s
Coverage: 7.2 with custom ini settings (Linux)	5m 55s
Build Phar on PHP: 8.0	27s
PHP: 7.0 with custom ini settings (Linux)	1m 4s
PHP: 5.4 (Linux)	1m 11s
PHP: 5.5 with custom ini settings (Linux)	6m 29s
PHP: 5.5 (Linux)	8m 35s
PHP: 5.6 (Linux)	5m 56s
PHP: 7.0 (Linux)	1m 33s
PHP: 7.1 (Linux)	1m 23s
PHP: 7.2 (Linux)	1m 19s
PHP: 7.3 (Linux)	51s
PHP: 7.4 (Linux)	57s
PHP: 8.0 (Linux)	1m 1s
PHP: 8.1 (Linux)	57s
PHP: 8.2 (Linux)	57s
PHP: 8.3 (Linux)	50s
PHP: 8.4 (Linux)	36s
PHP: 8.5 (Linux)	55s
PHP: 5.5 (Win)	1m 6s
PHP: 5.6 (Win)	5m 56s
PHP: 7.0 (Win)	1m 36s
PHP: 7.1 (Win)	1m 23s
PHP: 7.2 (Win)	1m 20s
PHP: 7.3 (Win)	51s
PHP: 8.0 (Win)	57s
PHP: 7.4 (Win)	50s
PHP: 8.1 (Win)	54s
PHP: 8.2 (Win)	55s
PHP: 8.3 (Win)	48s
PHP: 8.4 (Win)	39s
PHP: 8.5 (Win)	50s
coveralls-finish	5s
	1h 34m 35s

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