But US, which is president of the Security Council for December, made a decision to convene a meeting on Wednesday that will focus instead on the threat of escalation by North Korea, diplomats said.
Without support from the United States, European and other countries that wanted the U.N.'s most powerful body to discuss human rights in North Korea can't go ahead Tuesday because they are now one vote short of the minimum nine "yes" votes required, the diplomats said, speaking on condition of anonymity because discussions were private.
Mr. Trump also warned that the North Korean leader should not "void his special relationship with the President of the United States or interfere with the U.S. Presidential Election in November" by resuming hostile acts.
North Korea has hinted at lifting its moratorium on nuclear and long-range missile tests if the Trump administration fails to make substantial concessions in nuclear diplomacy before the new year.
Vipin Narang, a political scientist at the Massachusetts Institute of Technology who closely watches North Korea, said Kim likely felt humiliated by February's summit with Trump in Hanoi. North Korea's official name is the Democratic People's Republic of Korea (DPRK).More news: Google Maps' new Incognito mode comes to iOS
But past year, the Americans withdrew its support for such a meeting as Mr. Trump made diplomatic overtures to Mr. Kim, according to officials and diplomats, and no meeting was held.
The North Korean official also said that Mr. Trump's latest Twitter messages showed that the president was "an old man bereft of patience".
The move comes amid growing tensions and stalled talks between the United States and the DPRK that Washington hopes will lead to Pyongyang giving up its nuclear and missile programs. He accused Mr. Trump of trying to buy time before the December 31 deadline set by Kim Jong-un for Washington to return to negotiations with concessions, including the lifting of sanctions.
The US State Department told NHK on Monday that it had asked the US mission to the United Nations to propose the meeting. Mr. Kim retorted that Mr. Trump was " a mentally deranged US dotard ".
Kim Yong-chol visited Mr. Trump at the White House in June 2018 and again in January this year to deliver letters written to the president by Kim Jong-un.More news: Opening Odds in Cotton Bowl Favor Penn State Over Memphis
Jeong didn't elaborate on what the engine test was for but urged North Korea to stop "acts that escalate military tensions".
On Thursday, the North's vice foreign minister Choe Son Hui warned of again referring to Trump as a "dotard" - Pyongyang's favored nickname for the US president at the height of tensions in 2017.
DPRK's envoy to the UN Kim Song said on Saturday that denuclearization was off the negotiating table and lengthy talks with Washington were not needed.
Through a series of short-range missile tests and statements by senior North Korean leaders, Pyongyang has been warning Washington to put forward plans for "security guarantees" and the alleviation of sanctions before the end of the year, a deadline imposed by the regime's ruler.
The assembly's human rights committee unanimously approved a draft resolution last month condemning North Korea for "ongoing systematic, widespread and gross violations of human rights", including those that a United Nations commission of inquiry says may amount to crimes against humanity.More news: Rohingya activists launch boycott of Myanmar
On Monday, Kim Yong-chol, the North Korean official, warned that the United States should be ready to be "surprised".