The spread of the Delta variant has delayed office reopenings, disrupted the start of school and generally dashed hopes for a return to normal after Labor Day. But it has not pushed the U.S. economic recovery into reverse.Now that recovery faces a new test: the removal of much of the aid that has helped keep households and businesses afloat for the past year and a half.The Paycheck Protection Program, which distributed hundreds of billions of dollars in grants and loans to thousands of small businesses, concluded last spring. A federal eviction moratorium ended last month after the …