test: stabilize virtualenvwrapper project path on macOS (PR #416)

Author: karthiknadig

crates/pet-virtualenvwrapper/src/environments.rs

@@ -167,7 +167,7 @@ mod tests {
 
     #[test]
     fn get_project_reads_existing_project_path_from_project_file() {
-        let project_root = create_test_dir("project-root");
+        let project_root = fs::canonicalize(create_test_dir("project-root")).unwrap();
         let prefix = create_test_dir("wrapped-env");
         let executable = create_virtualenv(&prefix);
         fs::write(