Achieve 100% test coverage for Adapter/* classes #511

Job	Run time
Generate job matrix	11s
QA Checks (PHPUnit [8.2, latest], ubuntu-latest, laminas/laminas-continuous-integration-action@v1...	1m 16s
QA Checks (PHPUnit [8.2, lowest], ubuntu-latest, laminas/laminas-continuous-integration-action@v1...	1m 12s
QA Checks (PHPUnit [8.5, latest], ubuntu-latest, laminas/laminas-continuous-integration-action@v1...	1m 39s
QA Checks (PHPUnit [8.3, latest], ubuntu-latest, laminas/laminas-continuous-integration-action@v1...	1m 12s
QA Checks (PHPUnit [8.4, lowest], ubuntu-latest, laminas/laminas-continuous-integration-action@v1...	1m 40s
QA Checks (PHPUnit [8.5, lowest], ubuntu-latest, laminas/laminas-continuous-integration-action@v1...	1m 37s
QA Checks (PHPUnit [8.4, latest], ubuntu-latest, laminas/laminas-continuous-integration-action@v1...	1m 44s
QA Checks (PHPCodeSniffer [8.2, locked], ubuntu-latest, laminas/laminas-continuous-integration-ac...	1m 20s
QA Checks (PhpStan [8.2, latest], ubuntu-latest, laminas/laminas-continuous-integration-action@v1...	1m 50s
QA Checks (PHPStan [8.2, locked], ubuntu-latest, laminas/laminas-continuous-integration-action@v1...	1m 23s
QA Checks (PHPUnit [8.3, lowest], ubuntu-latest, laminas/laminas-continuous-integration-action@v1...	1m 13s
QA Checks (PHPUnit [8.2, locked], ubuntu-latest, laminas/laminas-continuous-integration-action@v1...	1m 5s
	17m 22s

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