Fixed some ineffective assignments (#12543)

api4/user_test.go

@@ -1379,6 +1379,7 @@ func TestGetUsersByGroupChannelIds(t *testing.T) {
 
 	th.LoginBasic2()
 	usersByChannelId, resp = th.Client.GetUsersByGroupChannelIds([]string{gc1.Id})
+	CheckNoError(t, resp)
 
 	_, ok := usersByChannelId[gc1.Id]
 	require.False(t, ok)
@@ -4425,6 +4426,7 @@ func TestRegisterTermsOfServiceAction(t *testing.T) {
 
 	success, resp := th.Client.RegisterTermsOfServiceAction(th.BasicUser.Id, "st_1", true)
 	CheckErrorMessage(t, resp, "store.sql_terms_of_service_store.get.no_rows.app_error")
+	assert.Nil(t, success)
 
 	termsOfService, err := th.App.CreateTermsOfService("terms of service", th.BasicUser.Id)
 	if err != nil {