Update test for chebfun.jumpVals() to reflect changes to return value.
Update test for chebfun.jumpVals() to reflect changes to return value.

6122ffa0 changed jumpVals() by causing it to return a column instead of
a row, but the test was not changed to reflect this.

alshedivat/chebfun,ilovejs/chebfun,asgeirbirkis/chebfun