By Jonathan Stempel and Luc Cohen NEW YORK (Reuters) -Donald Trump may be set to testify in the writer E. Jean Carroll’s latest civil defamation trial in Manhattan federal court on Wednesday, following a two-day postponement triggered by COVID-19 concerns. U.S. District Judge Lewis Kaplan canceled testimony on Monday after one juror who felt ill was sent home for a COVID test, and Trump’s lawyer Alina Habba said she caught a fever after dining with her parents, one of whom contracted the virus. Tuesday’s trial session was later also canceled, a court officer said. The trial concerns Trump’s Ju…