Fix trailing newline in tests/README.md

Author: sestinj

tests/README.md

@@ -40,8 +40,9 @@ To add tests for a new command:
 ### Troubleshooting
 
 If tests fail with line ending differences, check:
+
 - Git configuration for line endings
 - Text editor settings
 - OS-specific differences in output generation
 
-For dynamic content (like timestamps), consider modifying the test to handle these special cases.
+For dynamic content (like timestamps), consider modifying the test to handle these special cases.