Failure leaves a testy Barry BY T.J. QUINN DAILY NEWS SPORTS WRITER Thursday, January 11th, 2007 Barry Bonds, already under investigation for lying under oath about his steroid use, failed a test under Major League Baseball's amphetamine policy last season and then initially blamed it on a teammate, the Daily News has learned. Under the policy, which went into effect only last season, players are not publicly identified for a first positive test. But according to several sources, when first informed by the MLB Players Association of the positive test, Bonds attributed it to a substance he had taken from...