fix clippy errros

forc-plugins/forc-doc/src/tests/expects/impl_trait/mod.rs

@@ -133,7 +133,7 @@ fn assert_file_tree(doc_dir_name: &str, project_name: &str, expected_files: Vec<
     let doc_root = format!("{}/{}/out/{}", DATA_DIR, project_name, doc_dir_name).into();
     let expected = expected_files
         .iter()
-        .map(|path| PathBuf::from(path))
+        .map(PathBuf::from)
         .collect::<HashSet<PathBuf>>();
     let files = get_relative_file_paths_set(doc_root);
     assert_eq!(files, expected);

forc-plugins/forc-doc/src/tests/expects/mod.rs

@@ -1,14 +1,14 @@
 #![cfg(test)]
 use crate::cli::Command;
 use expect_test::Expect;
-use std::path::PathBuf;
+use std::path::{Path, PathBuf};
 
 mod impl_trait;
 
-pub(crate) fn check_file(doc_path: &PathBuf, path_to_file: &PathBuf, expect: &Expect) {
+pub(crate) fn check_file(doc_path: &Path, path_to_file: &PathBuf, expect: &Expect) {
     let path = doc_path.join(path_to_file);
-    let actual =
-        std::fs::read_to_string(path.clone()).expect(&format!("failed to read file: {:?}", path));
+    let actual = std::fs::read_to_string(path.clone())
+        .unwrap_or_else(|_| panic!("failed to read file: {:?}", path));
     expect.assert_eq(&actual)
 }