fix API tests (revert some changes) #798

Job	Run time
Lint: API (php-cs-fixer)	31s
Lint: ClientPrint (ESLint)	20s
Tests: API	10m 41s
Lint: e2e (ESLint)	30s
Lint: Frontend (ESLint)	35s
Tests: Frontend	2m 16s
Tests: PDF	19s
Lint: Print (ESLint)	24s
Tests: Print	51s
Tests: End-to-end build / Tests: End-to-end (build job)	1m 10s
Tests: End-to-end run / Tests: End-to-end (chrome)	4m 7s
Tests: End-to-end run / Tests: End-to-end (firefox)	4m 48s
Tests: End-to-end run / Tests: End-to-end (edge)	4m 33s
Finish coveralls report	5s
workflow-success	2s
Send out CI success event	0s
	31m 12s

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