### Question:
UserClientRest extends BaseClientRest implements UserClient { @Override public void getAccount(StreamObserver<Account> accountObserver) { AccountRequest accountRequest = new AccountRequest.Builder().build(); String url = buildSportsUrl(accountRequest.resourcePath()); getRequest(url, accountRequest, accountObserver, new AccountReader()); } UserClientRest(ConnectionManager connectionManager); @Override void login(StreamObserver<Login> loginObserver); @Override void logout(StreamObserver<Logout> logoutObserver); @Override void getAccount(StreamObserver<Account> accountObserver); @Override void getBalance(StreamObserver<Balance> balanceObserver);  }### Answer:
@Test @DisplayName("GET account") void getAccountTest() { when(clientConfig.getSportsUrl()).thenReturn("https: StreamObserver<Account> streamObserver = (StreamObserver<Account>) mock(StreamObserver.class); unit.getAccount(streamObserver); verify(httpClient).get(eq("https: }