refactor(monorepo): remove env restore from workspace test

src/monorepo/workspace_test.rs

@@ -1,33 +1,9 @@
-use std::ffi::OsString;
 use std::path::PathBuf;
 
 use monorepo::workspace::resolve_workspace_path;
 
 const BUILD_WORKSPACE_DIRECTORY: &str = "BUILD_WORKSPACE_DIRECTORY";
 
-struct EnvRestore {
-    value: Option<OsString>,
-}
-
-impl EnvRestore {
-    fn capture() -> Self {
-        Self {
-            value: std::env::var_os(BUILD_WORKSPACE_DIRECTORY),
-        }
-    }
-}
-
-impl Drop for EnvRestore {
-    fn drop(&mut self) {
-        unsafe {
-            if let Some(value) = &self.value {
-                std::env::set_var(BUILD_WORKSPACE_DIRECTORY, value);
-            } else {
-                std::env::remove_var(BUILD_WORKSPACE_DIRECTORY);
-            }
-        }
-    }
-}
 
 #[derive(Debug)]
 struct Case {
@@ -39,8 +15,6 @@ struct Case {
 
 #[test]
 fn resolve_workspace_path_cases() {
-    let _restore = EnvRestore::capture();
-
     let cases = [
         Case {
             name: "absolute path returns unchanged path",