add newline

Author: ludviggunne

test/cli/more-projects_test.py

@@ -898,6 +898,7 @@ def test_project_file_nested(tmp_path):
 
     assert_cppcheck(args, ec_exp=1, err_exp=[], out_exp=out_lines)
 
+
 def test_project_file_no_analyze_all_vs_configs(tmp_path):
     test_file = tmp_path / 'test.c'
     with open(test_file, 'wt'):