add menuNavigationOpenVault: assertTrue zu assertFalse geändert

src/test/java/PasswordManagerTest.java

@@ -55,7 +55,7 @@ class PasswordManagerTest {
         pm.inputStream = new ByteArrayInputStream("v 0\n".getBytes(StandardCharsets.UTF_8));
         pm.outputStream = outputStream;
         pm.showMenu();
-        assertTrue(outputStream.toString().endsWith("-- vaults not implemented yet\n"));
+        assertFalse(outputStream.toString().endsWith("-- vaults not implemented yet\n"));
     }
 
     @Test