sympy/sympy — pull request #2992 by debugger22 (2014-03-03 21:17:37+00:00)
Title: Added Tests for wigner.racah()

Add tests for ```racah()``` of ```sympy.physics.wigner``` module which was not added in https://github.com/sympy/sympy/pull/2878

Fixes https://github.com/sympy/sympy/issues/2767