Since Skynet became available against yesterday, I built and tested on there,
and again all tests pass.
sage -t -long devel/sage/sage/symbolic/integration/integral.py
[18.3 s]
sage -t -long devel/sage/sage/symbolic/expression.pyx
[73.4 s]
----------------------------------------------------------------------
All tests passed!
Total time for all tests: 7438.8 seconds
Dave