adds another expect_float_equal to the zeromat extraction test.
adds another expect_float_equal to the zeromat extraction test.

rwcarlsen/cyclus,Baaaaam/cyclus,gidden/cyclus,gidden/cyclus,Baaaaam/cyclus,rwcarlsen/cyclus,hodger/cyclus,hodger/cyclus,rwcarlsen/cyclus,mbmcgarry/cyclus,mbmcgarry/cyclus,gidden/cyclus,gidden/cyclus,hodger/cyclus,hodger/cyclus,Baaaaam/cyclus,hodger/cyclus,rwcarlsen/cyclus,mbmcgarry/cyclus,mbmcgarry/cyclus