Add example of escaping double quotes (#44158)

Author: Evangelink

docs/core/testing/selective-unit-tests.md

@@ -56,6 +56,12 @@ For `FullyQualifiedName` values that include a comma for generic type parameters
 dotnet test --filter "FullyQualifiedName=MyNamespace.MyTestsClass<ParameterType1%2CParameterType2>.MyTestMethod"
 ```
 
+For `Name` or `DisplayName`, use the URL encoding for the special characters. For example, to run a test with the name `MyTestMethod` and a string value `"text"`, use the following filter:
+
+```dotnetcli
+dotnet test --filter "Name=MyTestMethod \(%22text%22\)"
+```
+
 :::zone pivot="mstest"
 
 ## MSTest examples