Fixes tests + badge #631

Job	Run time
testsuite / testsuite-linux (8.4, mysql, highest, false)	47s
testsuite / testsuite-linux (8.2, pgsql, highest, false)	46s
testsuite / testsuite-linux (8.2, sqlite, lowest, false)	39s
testsuite / testsuite-linux (8.3, sqlite, highest, false)	41s
cs-stan / Coding Standard & Static Analysis	33s
testsuite / testsuite-linux (8.2, mysql, highest, false)	52s
	4m 18s

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