clippy: fix redundant_clone lint warnings in tests

Author: cakebaker

tests/by-util/test_chown.rs

@@ -471,7 +471,7 @@ fn test_chown_fail_id() {
 #[test]
 fn test_chown_only_user_id_nonexistent_user() {
     let ts = TestScenario::new(util_name!());
-    let at = ts.fixtures.clone();
+    let at = ts.fixtures;
     at.touch("f");
     if let Ok(result) = run_ucmd_as_root(&ts, &["12345", "f"]) {
         result.success().no_stdout().no_stderr();
@@ -537,7 +537,7 @@ fn test_chown_only_group_id() {
 #[test]
 fn test_chown_only_group_id_nonexistent_group() {
     let ts = TestScenario::new(util_name!());
-    let at = ts.fixtures.clone();
+    let at = ts.fixtures;
     at.touch("f");
     if let Ok(result) = run_ucmd_as_root(&ts, &[":12345", "f"]) {
         result.success().no_stdout().no_stderr();

tests/by-util/test_chroot.rs

@@ -165,7 +165,7 @@ fn test_chroot_skip_chdir_not_root() {
 #[test]
 fn test_chroot_skip_chdir() {
     let ts = TestScenario::new(util_name!());
-    let at = ts.fixtures.clone();
+    let at = ts.fixtures;
     let dirs = ["/", "/.", "/..", "isroot"];
     at.symlink_file("/", "isroot");
     for dir in dirs {

tests/by-util/test_env.rs

@@ -7,7 +7,7 @@
 #[cfg(target_os = "linux")]
 use crate::common::util::expected_result;
 use crate::common::util::TestScenario;
-use ::env::native_int_str::{Convert, NCvt};
+use env::native_int_str::{Convert, NCvt};
 use regex::Regex;
 use std::env;
 use std::path::Path;
@@ -475,8 +475,8 @@ fn test_gnu_e20() {
 
 #[test]
 fn test_split_string_misc() {
-    use ::env::native_int_str::NCvt;
-    use ::env::parse_args_from_str;
+    use env::native_int_str::NCvt;
+    use env::parse_args_from_str;
 
     assert_eq!(
         NCvt::convert(vec!["A=B", "FOO=AR", "sh", "-c", "echo $A$FOO"]),
@@ -692,7 +692,7 @@ fn test_env_overwrite_arg0() {
 fn test_env_arg_argv0_overwrite() {
     let ts = TestScenario::new(util_name!());
 
-    let bin = ts.bin_path.clone();
+    let bin = ts.bin_path;
 
     // overwrite --argv0 by --argv0
     ts.ucmd()
@@ -740,7 +740,7 @@ fn test_env_arg_argv0_overwrite() {
 fn test_env_arg_argv0_overwrite_mixed_with_string_args() {
     let ts = TestScenario::new(util_name!());
 
-    let bin = ts.bin_path.clone();
+    let bin = ts.bin_path;
 
     // string arg following normal
     ts.ucmd()
@@ -916,8 +916,8 @@ mod tests_split_iterator {
 
     use std::ffi::OsString;
 
-    use ::env::parse_error::ParseError;
     use env::native_int_str::{from_native_int_representation_owned, Convert, NCvt};
+    use env::parse_error::ParseError;
 
     fn split(input: &str) -> Result<Vec<OsString>, ParseError> {
         ::env::split_iterator::split(&NCvt::convert(input)).map(|vec| {

tests/by-util/test_install.rs

@@ -1689,7 +1689,7 @@ fn test_target_file_ends_with_slash() {
 #[test]
 fn test_install_root_combined() {
     let ts = TestScenario::new(util_name!());
-    let at = ts.fixtures.clone();
+    let at = ts.fixtures;
     at.touch("a");
     at.touch("c");