I want to add a test for this tantrick change, i249a from mapleok.input.

(2) -> in249a:=integrate((sin(z)/(cos(z)-1))^(1/3), z= 0..%pi,"noPole")

               3+-+2           3+-+2
              4\|2             \|2            +-+
        3log(-------) - 12log(-------) - 8%pi\|3
             3+---+2          3+---+2
             \|- 1            \|- 1
   (2)  -----------------------------------------
                            12

1.  I want to change the integrand to "(sin(z)/(1-cos(z)))^(1/3)", so that
we don't have to deal with (-1)^(1/3), we can also draw the integral.

2.  Should we remove in249a from mapleok.input?

3.  Where to put this test?  There are not many definite integration
tests using test framework.  I suggest we create a new file dedicated
to definite integration and move the tests from defintef.input to there.

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