Change testing method

Author: theRookieCoder

src/cli.rs

@@ -249,7 +249,7 @@ pub enum ModpackSubCommands {
     Upgrade,
 }
 
-#[derive(Clone, Debug, Args)]
+#[derive(Clone, Default, Debug, Args)]
 #[group(id = "loader", multiple = false)]
 pub struct FilterArguments {
     #[clap(long, short = 'p')]

src/main.rs

@@ -1,3 +1,4 @@
+#![cfg_attr(test, feature(assert_matches))]
 #![deny(
     clippy::all,
     clippy::perf,