(Reuters) -The Texas Supreme Court temporarily blocked a pregnant woman from obtaining an emergency abortion on Friday, shortly after the state’s attorney general requested the block. The legal battle is a major test case since the U.S. Supreme Court overturned the nationwide constitutional right to abortion last year, enabling states like Texas to pass near complete bans. The Texas court halted a lower court ruling allowing the emergency abortion, responding to a petition from Texas Attorney General Ken Paxton earlier in the day. “Without regard to the merits, the Court administratively stays…