Merge pull request #5580 from MicrosoftDocs/repo_sync_working_branch

Confirm merge from repo_sync_working_branch to master to sync with https://github.com/MicrosoftDocs/visualstudio-docs (branch master)

Author: gewarren

docs/code-quality/ca1707-identifiers-should-not-contain-underscores.md

@@ -40,7 +40,7 @@ Remove all underscore characters from the name.
 
 ## When to suppress warnings
 
-Do not suppress a warning from this rule.
+Do not suppress warnings for production code. However, it's safe to suppress this warning for test code. You can suppress warnings from this rule by setting its [severity](use-roslyn-analyzers.md#rule-severity) to **none**. 
 
 ## Related rules