Polish some tests

Author: José Molina

src/tests.rs

@@ -55,12 +55,12 @@ macro_rules! bbtreeset {
 }
 
 fn fund_account(acc: AccountId) {
-	Balances::mint_into(&acc, 100).unwrap();
+	assert_ok!(Balances::mint_into(&acc, 100));
 }
 
 fn register_keys(acc: AccountId) {
 	let key = MockSessionKeys { aura: UintAuthorityId(acc) };
-	Session::set_keys(RuntimeOrigin::signed(acc), key, Vec::new()).unwrap();
+	assert_ok!(Session::set_keys(RuntimeOrigin::signed(acc), key, Vec::new()));
 }
 
 fn register_candidates(range: RangeInclusive<AccountId>) {
@@ -364,7 +364,7 @@ mod add_invulnerable {
 				if ii > 5 {
 					assert_ok!(Balances::mint_into(&ii, 100));
 					let key = MockSessionKeys { aura: UintAuthorityId(ii) };
-					Session::set_keys(RuntimeOrigin::signed(ii), key, Vec::new()).unwrap();
+					assert_ok!(Session::set_keys(RuntimeOrigin::signed(ii), key, Vec::new()));
 				}
 				assert_eq!(Balances::balance(&ii), 100);
 				if ii < 21 {
@@ -3191,8 +3191,7 @@ mod general_tests {
 		new_test_ext().execute_with(|| {
 			initialize_to_block(1);
 
-			Balances::mint_into(&CollatorStaking::account_id(), Balances::minimum_balance())
-				.unwrap();
+			assert_ok!(Balances::mint_into(&CollatorStaking::account_id(), Balances::minimum_balance()));
 
 			// Nothing panics, no reward when no ED in balance
 			Authorship::on_initialize(1);