Revert "temporarily comment out the test_symmetrizing from the long tests too"

This reverts commit 895dfc88f4ffe32b0d241e1c7bf1f4283da63111.
Revert "comment out symmetrizing test while I fix other things on the PR"

This reverts commit 9f5613e6c299d9a37f955efc844347bb292807cb.