Merge pull request #108 from cakebaker/tests_fix_clippy_warnings

tests/common/util.rs: fix clippy warnings

tests/common/util.rs

@@ -862,7 +862,6 @@ impl AtPath {
     pub fn append(&self, name: &str, contents: &str) {
         log_info("write(append)", self.plus_as_string(name));
         let mut f = OpenOptions::new()
-            .write(true)
             .append(true)
             .create(true)
             .open(self.plus(name))
@@ -874,7 +873,6 @@ impl AtPath {
     pub fn append_bytes(&self, name: &str, contents: &[u8]) {
         log_info("write(append)", self.plus_as_string(name));
         let mut f = OpenOptions::new()
-            .write(true)
             .append(true)
             .create(true)
             .open(self.plus(name))
@@ -1403,12 +1401,12 @@ impl UCommand {
     ///
     /// These __defaults__ are:
     /// * `bin_path`: Depending on the platform and os, the native shell (unix -> `/bin/sh` etc.).
-    /// This default also requires to set the first argument to `-c` on unix (`/C` on windows) if
-    /// this argument wasn't specified explicitly by the user.
+    ///   This default also requires to set the first argument to `-c` on unix (`/C` on windows) if
+    ///   this argument wasn't specified explicitly by the user.
     /// * `util_name`: `None`. If neither `bin_path` nor `util_name` were given the arguments are
-    /// run in a shell (See `bin_path` above).
+    ///   run in a shell (See `bin_path` above).
     /// * `temp_dir`: If `current_dir` was not set, a new temporary directory will be created in
-    /// which this command will be run and `current_dir` will be set to this `temp_dir`.
+    ///   which this command will be run and `current_dir` will be set to this `temp_dir`.
     /// * `current_dir`: The temporary directory given by `temp_dir`.
     /// * `timeout`: `30 seconds`
     /// * `stdin`: `Stdio::null()`