import org.junit.jupiter.api.BeforeAll; import org.junit.jupiter.api.Test; import static org.junit.jupiter.api.Assertions.*; class PasswordManagerTest { static PasswordManager pm; @BeforeAll static void init() { pm = new PasswordManager(); } @Test void constructor() { assertInstanceOf(PasswordManager.class, pm); } @Test void listVaults() { pm.listVaults(); } @Test void openVault() { pm.openVault(); } }