In the end it came in as a quiet announcement on the social network. But MS Dhoni had made his decision. He knew it was the right time to bid adieu to Test cricket, says Bikash MohapatraMS Dhoni and Virat Kohli of India during day one of the Third Test against Australia at Melbourne Cricket Ground. Photograph: Scott Barbour/Getty Images In the end it came in as a quiet announcement on the social network. M S Dhoni has chosen to retire from Test cricket with immediate effect, said the BCCI release. The same came shortly after Dhoni had led India to a credible draw in the third Test against Australia at the Melbourne Cricket Ground. The result ensured India lost the series. It also meant India avoided a possible whitewash, akin to the one it suffered during the last visit Down Under. Coming in to bat with India in a spot of bother (at 141 for five), Captain Cool kept his cool and his unbeaten 24 ensured India avoided another possible embarrassment. The verdict on Dhoni, as both a player and a captain is unanimous in the shorter versions (the ODIs and the T20s). The Ranchi-born player successfully led the…