message: Added test for filtering unsafe keyword.
diff: @@ -686,4 +686,18 @@ mod tests {
  process_items(&parser.items, &ctx, &mut lines);
  assert!(lines.ignore.contains(&2));
  }
  +
  + #[test]
  + fn filter_unsafe() {
  + let config = Config::default();
  + let mut lines = LineAnalysis::new();
  + let ctx = Context {
  + config: &config,
  + file_contents: "fn unsafe_fn() {\n let x=1;\nunsafe {\nprintln!(\"{}\", x);\n}\n}",
  + };
  + let parser = parse_file(ctx.file_contents).unwrap();
  + process_items(&parser.items, &ctx, &mut lines);
  + assert!(lines.ignore.contains(&3));
  + assert!(!lines.ignore.contains(&4));
  + }
  }
  