"called on him to testify" is a correct and usable phrase in written English.
It is typically used to describe a situation in which someone is asked to provide testimony or evidence, often in a legal setting. Example: During the trial, the prosecution called on the witness to testify about what they had seen on the night of the crime.
Already Nobuteru Ishihara, the LDP's secretary-general, has called for Mr Ozawa's resignation from the parliament; others have called on him to testify before the Diet.
The government immediately dismissed the accusations as baseless, but opposition legislators seized on Nisman's pronouncement and called on him to testify before Congress.
He was serving a 13-year sentence for war crimes after a plea deal with prosecutors, who then called on him to testify against fellow Serbs.
House Judiciary Committee Chairman Jerrold Nadler (D-N.Y). on Sunday cited Miller's role in developing the targeted-release plan in calling on him to testify.
Cohen testified that Trump called on him to not only lie to the American public about campaign-time hush payments to adult-film star Stormy Daniels — but also his wife, Melania.
The next year, prosecutors called him to testify on the military junta's systematic kidnapping of children, a subject he was also accused of knowing about but failing to prevent.
In support of that motion, they had proposed calling him to testify on Thursday about his treatment.
As the broadsides have continued, Congress has called on Clemens to testify before the House Committee on Oversight and Government Reform on Feb. 13.
When congressional committees called on Facebook to testify in the fall about how Russians used the platform to manipulate voters around the 2016 presidential election, Zuckerberg sent Vice President and General Counsel Colin Stretch in his place.
Meanwhile, the UCI has called on Armstrong to testify to its commission on doping if, as expected, he admits to having doped during his career.
Several Democrats on the Senate panel called on Kushner to testify publicly.
