Test

Generic/ByteOrderMark: improve code coverage #1056

Job	Run time
Build Phar on PHP: 8.0	24s
Coverage: 5.4	1m 25s
Coverage: 7.2 with custom ini settings	1m 16s
Coverage: 8.3	1m 8s
PHP: 5.4	36s
PHP: 5.5	26s
PHP: 5.6	36s
PHP: 7.0	20s
PHP: 7.1	26s
PHP: 7.2	26s
PHP: 7.3	28s
PHP: 7.4	26s
PHP: 8.0	21s
PHP: 8.1	22s
PHP: 8.2	24s
PHP: 8.3	27s
PHP: 8.4	19s
PHP: 5.5 with custom ini settings	31s
PHP: 7.0 with custom ini settings	28s
coveralls-finish	1s
	10m 50s

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