elek opened a new pull request #1543:
URL: https://github.com/apache/ozone/pull/1543
## What changes were proposed in this pull request?
TestContainerMetrics is flaky since HDDS-4359. Failed in following master
builds:
```
2020/10/26/3569/it-ozone/hadoop-ozone/integration-test/TEST-org.apache.hadoop.ozone.container.metrics.TestContainerMetrics.xml
2020/10/27/3581/it-ozone/hadoop-ozone/integration-test/TEST-org.apache.hadoop.ozone.container.metrics.TestContainerMetrics.xml
2020/10/28/3591/it-ozone/hadoop-ozone/integration-test/TEST-org.apache.hadoop.ozone.container.metrics.TestContainerMetrics.xml
2020/10/29/3619/it-ozone/hadoop-ozone/integration-test/TEST-org.apache.hadoop.ozone.container.metrics.TestContainerMetrics.xml
2020/10/30/3628/it-ozone/hadoop-ozone/integration-test/TEST-org.apache.hadoop.ozone.container.metrics.TestContainerMetrics.xml
2020/10/30/3642/it-ozone/hadoop-ozone/integration-test/TEST-org.apache.hadoop.ozone.container.metrics.TestContainerMetrics.xml
2020/10/31/3650/it-ozone/hadoop-ozone/integration-test/TEST-org.apache.hadoop.ozone.container.metrics.TestContainerMetrics.xml
2020/10/31/3654/it-ozone/hadoop-ozone/integration-test/TEST-org.apache.hadoop.ozone.container.metrics.TestContainerMetrics.xml
```
Some of the added assertions couldn't be guaranteed all the time:
```java
// ReadTime and WriteTime vary from run to run, only checking non-zero
Assert.assertNotEquals(0L, getLongCounter("ReadTime",
volumeIOMetrics));
Assert.assertNotEquals(0L, getLongCounter("WriteTime",
volumeIOMetrics));
```
In lucky case the read/write time can be zero.
## What is the link to the Apache JIRA
https://issues.apache.org/jira/browse/HDDS-4418
## How was this patch tested?
Two assertions are removed. It's a safe modification.
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