tests(cucumber): add certification

adds certification cucumber test

end2end-tests/tests/cucumber_tests.rs

@@ -181,7 +181,7 @@ async fn transfer(
     }
 }
 
-#[when(regex = r"([a-zA-Z]+) sends? all (?:his|her) (?:ĞDs?|DUs?) to ([a-zA-Z]+)")]
+#[when(regex = r"([a-zA-Z]+) sends? all (?:his|her) (?:ĞDs?|DUs?|UDs?) to ([a-zA-Z]+)")]
 async fn send_all_to(world: &mut DuniterWorld, from: String, to: String) -> Result<()> {
     // Parse inputs
     let from = AccountKeyring::from_str(&from).expect("unknown from");