Update src/Cli/dotnet/commands/dotnet-test/Program.cs

Co-authored-by: Jakub Jareš <me@jakubjares.com>

src/Cli/dotnet/commands/dotnet-test/Program.cs

@@ -121,7 +121,8 @@ private static TestCommand FromParseResult(ParseResult result, string[] settings
 
             // Extra msbuild properties won't be parsed and so end up in the UnmatchedTokens list. In addition to those
             // properties, all the test settings properties are also considered as unmatched but we don't want to forward
-            // these as-is to msbuild. So we filter out the test settings properties from the unmatched tokens.
+            // these as-is to msbuild. So we filter out the test settings properties from the unmatched tokens,
+            // by only taking values until the first item after `--`. (`--` is not present in the UnmatchedTokens ).
             var unMatchedNonSettingsArgs = settings.Length > 1
                 ? result.UnmatchedTokens.TakeWhile(x => x != settings[1])
                 : result.UnmatchedTokens;