Revert "Comment out fourth test that fails randomly on jenkins."

This reverts commit e1f5fded9195974b347adcccd841f3026d5ec1a0.
Revert "Comment out another test that fails randomly on jenkins."

This reverts commit cf4b11ef222d5fa71f5ba2088549a70ffdb4572a.
Revert "Comment out third robot test that fails randomly on jenkins."

This reverts commit 90acff257eac1786e07c1759830cdfcc3a8ff4a5.
Revert "Comment out two tests that fail randomly on Jenkins since they have been added."

This reverts commit 01b9ecd31795f32fc3b5f780f46a060e06113663.
Deactivate all robot tests since they all fail randomly on jenkins.