[FLINK-22312][yarn][test] Fix test instabilities due to expected hear…

…tbeat exceptions in log

This closes apache#16127

flink-yarn-tests/src/test/java/org/apache/flink/yarn/YarnTestBase.java

@@ -164,7 +164,11 @@ public abstract class YarnTestBase extends TestLogger {
  "org\\.apache\\.flink.util\\.FlinkException: JobManager is shutting down\\."),
  Pattern.compile("lost the leadership."),
  Pattern.compile(
- "akka.remote.transport.netty.NettyTransport.*Remote connection to \\[[^]]+\\] failed with java.io.IOException: Broken pipe")
+ "akka.remote.transport.netty.NettyTransport.*Remote connection to \\[[^]]+\\] failed with java.io.IOException: Broken pipe"),
+
+ // this can happen during cluster shutdown, if AMRMClient happens to be heartbeating
+ Pattern.compile("Exception on heartbeat"),
+ Pattern.compile("java\\.io\\.InterruptedIOException: Call interrupted")
  };
 
  // Temp directory which is deleted after the unit test.