Revert .gitignore changes

Co-authored-by: mattdholloway <918573+mattdholloway@users.noreply.github.com>

Author: Copilot

.gitignore

@@ -20,7 +20,6 @@ bin/
 github-mcp-server
 mcpcurl
 e2e.test
-*.test
 
 .history
 conformance-report/