Flink cannot compile with jdk17

https://dev.azure.com/apache-flink/apache-flink/_build/results?buildId=59380&view=results fails and benchmark with 17 fails as well

Reason: TypeSerializerUpgradeTestBase.UpgradeVerifier update the schemaCompatibilityMatcher method name to schemaCompatibilityCondition, but some subclasses didn't change it, such as: PojoRecordSerializerUpgradeTestSpecifications.PojoToRecordVerifier.

It belongs to flink-tests-java17 module, and it doesn't compile by default.

it's caused by

• https://issues.apache.org/jira/browse/FLINK-25537
• https://github.com/apache/flink/pull/24603