Fix the tests on my machine + typo

src/main.rs

@@ -6,15 +6,15 @@ use std::fs::{File, metadata};
 use std::path::Path;
 use std::process::Command;
 
-/// tail a file or execite the fallback command
+/// tail a file or execute the fallback command
 ///
 /// Attempts to tail a file. If the file doesn't exist or can't be read,
 /// runs the specified fallback command instead passing the specified file.
 ///
 /// Examples:
 ///   tailor file.txt touch                         # tail file.txt, or touch file.txt
 ///   tailor file.txt chmod 755                     # tail file.txt, or chmod 755 file.txt
-///   tailor config.json cp config.template.json    # tail file.txt, or cp config.template.json config.json
+///   tailor config.json cp config.template.json    # tail config.json, or cp config.template.json config.json
 #[derive(Parser, Debug)]
 #[command(version, about, long_about, verbatim_doc_comment)]
 struct Args {
@@ -110,7 +110,10 @@ mod tests {
 
     #[test]
     fn test_can_tail_file_with_nonexistent_file() {
-        let result = can_tail_file("/tmp/nonexistent_file_12345").unwrap();
+        let temp_file = NamedTempFile::new().unwrap();
+        let file_path = temp_file.path().to_str().unwrap();
+        std::fs::remove_file(file_path).unwrap();
+        let result = can_tail_file(file_path).unwrap();
         assert!(!result, "Should not be able to tail a nonexistent file");
     }
 
@@ -212,8 +215,11 @@ mod tests {
 
     #[test]
     fn test_main_fails_without_fallback_command() {
+        let temp_file = NamedTempFile::new().unwrap();
+        let file_path = temp_file.path().to_str().unwrap();
+        std::fs::remove_file(file_path).unwrap();
         let mut cmd = Command::cargo_bin("tailor").unwrap();
-        cmd.arg("/tmp/nonexistent_file_12345")
+        cmd.arg(file_path)
             .assert()
             .failure()
             .stderr(contains("no fallback command"));