Call to static method PHPUnit\Framework\Assert::assertInstanceOf() with 'Prometheus\\MetricFamilySamples' and Prometheus\MetricFamilySamples will always evaluate to true.

Call to static method PHPUnit\Framework\Assert::assertInstanceOf() with 'Prometheus\\MetricFamilySamples' and Prometheus\MetricFamilySamples will always evaluate to true.

Call to static method PHPUnit\Framework\Assert::assertInstanceOf() with 'Prometheus\\MetricFamilySamples' and Prometheus\MetricFamilySamples will always evaluate to true.

Call to static method PHPUnit\Framework\Assert::assertInstanceOf() with 'Prometheus\\MetricFamilySamples' and Prometheus\MetricFamilySamples will always evaluate to true.

Method Test\Prometheus\PDO\CollectorRegistryTest::getDsn() should return string but returns string|null.

Method Test\Prometheus\PDO\CounterTest::getDsn() should return string but returns string|null.

Method Test\Prometheus\PDO\GaugeTest::getDsn() should return string but returns string|null.

Method Test\Prometheus\PDO\HistogramTest::getDsn() should return string but returns string|null.

Method Test\Prometheus\PDO\SummaryTest::getDsn() should return string but returns string|null.

Process completed with exit code 1.

The following actions uses node12 which is deprecated and will be forced to run on node16: actions/checkout@v2, actions/cache@v2. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/