message: Change velocity coefficient in tests.
diff: @@ -34,8 +34,8 @@ void velocity_function(const Vector &x, Vector &v)
  switch (dim)
  {
  case 1: v(0) = 1.0; break;
  - case 2: v(0) = 1.0; v(1) = 1.0; break;
  - case 3: v(0) = 1.0; v(1) = 1.0; v(2) = 1.0; break;
  + case 2: v(0) = sqrt(2./3.); v(1) = sqrt(1./3.); break;
  + case 3: v(0) = sqrt(3./6.); v(1) = sqrt(2./6.); v(2) = sqrt(1./6.); break;
  }
  }
  