Achieve 100% test coverage for Adapter/* classes #497

Job	Run time
Generate job matrix	10s
QA Checks (PHPUnit [8.2, latest], ubuntu-latest, laminas/laminas-continuous-integration-action@v1...	1m 36s
QA Checks (PHPUnit [8.5, lowest], ubuntu-latest, laminas/laminas-continuous-integration-action@v1...	1m 33s
QA Checks (PHPUnit [8.3, latest], ubuntu-latest, laminas/laminas-continuous-integration-action@v1...	1m 36s
QA Checks (PHPUnit [8.3, lowest], ubuntu-latest, laminas/laminas-continuous-integration-action@v1...	1m 38s
QA Checks (PHPUnit [8.2, lowest], ubuntu-latest, laminas/laminas-continuous-integration-action@v1...	1m 47s
QA Checks (PHPUnit [8.4, latest], ubuntu-latest, laminas/laminas-continuous-integration-action@v1...	1m 40s
QA Checks (PHPCodeSniffer [8.2, locked], ubuntu-latest, laminas/laminas-continuous-integration-ac...	1m 49s
QA Checks (PHPUnit [8.5, latest], ubuntu-latest, laminas/laminas-continuous-integration-action@v1...	1m 35s
QA Checks (PHPUnit [8.2, locked], ubuntu-latest, laminas/laminas-continuous-integration-action@v1...	1m 43s
QA Checks (PHPUnit [8.4, lowest], ubuntu-latest, laminas/laminas-continuous-integration-action@v1...	1m 36s
QA Checks (PhpStan [8.2, latest], ubuntu-latest, laminas/laminas-continuous-integration-action@v1...	1m 56s
QA Checks (PHPStan [8.2, locked], ubuntu-latest, laminas/laminas-continuous-integration-action@v1...	1m 45s
	20m 24s

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