On June 9, 2015 the Air and Space Defense Forces successfully tested a short-range interceptor of the A-135 missile defense system, which is deployed around Moscow. The interceptor, apparently 53T6, known as Gazelle, was launched at 11:32 MSK and is said to have successfully reach its target. The test was supported by the Sary-Shagan crews of the Strategic Rocket Forces and industry representatives.
Previous test of the interceptor took place during the command and control exercise in May 2014.
UPDATE: The ministry of defense released a video account of the test.
UPDATE 11/19/15: According to Almaz-Antey, it was indeed a test of the 53T6 interceptor. The company is also working on a modification of the missile.