Set env variable for tests

tests/channel_selection.rs

@@ -4,6 +4,7 @@ use anyhow::Result;
 use juliaup::config_file::{load_config_db, JuliaupConfigChannel};
 use juliaup::global_paths::get_paths;
 use normpath::PathExt;
+use std::env;
 use std::path::PathBuf;
 
 // Simpler reimplementation of get_julia_path_from_channel from julialauncher.rs to help link channels
@@ -178,6 +179,9 @@ fn channel_selection() {
  .failure();
 
  // Test that completion works only when it should for words
+ env::set_var("JULIAUP_DEPOT_PATH", depot_dir.path());
+ env::set_var("JULIA_DEPOT_PATH", depot_dir.path());
+
  let linked_julia_path = get_julia_path_from_channel("1.6.7").unwrap();
  let linked_julia_version = linked_julia_path.to_str().unwrap();
  Command::cargo_bin("juliaup")
@@ -217,4 +221,7 @@ fn channel_selection() {
  .env("JULIAUP_DEPOT_PATH", depot_dir.path())
  .assert()
  .failure();
+
+ env::remove_var("JULIAUP_DEPOT_PATH");
+ env::remove_var("JULIA_DEPOT_PATH");
 }