Failing tests related to metric "process.files.open" in the metrics guide

[enicolaescu]

Java version: 17
Micronaut version: 4.6.2
Guide I am following: https://guides.micronaut.io/latest/micronaut-metrics-maven-java.html

I downloaded the zip file in the guide and ran it as is. The application starts however the process.files.open metric is missing from the endpoint localhost:8080/metrics

When running the tests there are 2 failures at
example.micronaut.MetricsTest.testExpectedMeters(MetricsTest.java:68)
example.micronaut.MetricsTest.testMetricsEndpoint(MetricsTest.java:147)

Both lines have the same assertion: assertTrue(names.contains("process.files.open")); that specific metric is missing from the endpoint and the assertion fails