fix(tests): ignore interrupt metrics from error list

In order to collect all error metrics we're checking for "err" in the
key name, which causes performance tests to fail because we added
metrics called "intERRupts". Add those to the `ignored_failure_metrics`
variable. This is not ideal because the current interrupt metrics are
not error metrics whatsoever, however this is the easiest way to
circumvent the issue.

Signed-off-by: Babis Chalios <[email protected]>

Author: bchalios

tests/host_tools/fcmetrics.py

@@ -474,6 +474,9 @@ def flatten_dict(node, prefix: str):
         "fc_metrics.vsock.rx_read_fails",
         "fc_metrics.vsock.tx_write_fails",
         "fc_metrics.vsock.tx_flush_fails",
+        # These are not really errors but we have the "err" in the key name and it causes checks for failures to trigger.
+        "fc_metrics.interrupts.triggers",
+        "fc_metrics.interrupts.config_updates",
     ]
 
     failure_metrics = {