TST: use 2-form asserts in pandas.utils.testing

[jreback]

e.g.

assert (left.dtype == right.dtype), "Left Dtype: {0}, Right Dtype: {1}".format(left.dtype,right.dtype)

in assert_*_equal

will be useful in seeing what is actually failing as the 2nd parameter
gets raised in the AssertionError(2nd parm)

[jtratner]

I bet something like: perl -pi -e 's/^(\s*)assert\s*\((.*)\s*==\s*(.*)\)$|^(\s*)assert(.*)\s*==\s*(.*)/\1self.assertEqual(\2, \3)/' ./**/*.py would get you quite a bit of the way. Plus, perl -pi -e ' s/assert\(isinstance\(.*\)/tm.assert_isinstance(\1)/' ./**/*.py

[jtratner]

I actually don't know how perl handles | outside of capture groups, so the first one may not be quite right.

[jreback]

reopening for even better msgs!

[jreback]

used @jtratner suggest, closed via 23fe024