Fixed bug in unit tests of ThermoData object reconstruction.
Fixed bug in unit tests of ThermoData object reconstruction.

The bug was that Tdata and Cpdata were being checked on their value
attribute, when the more relevant one is the values attribute since they
are arrays of data.

nyee/RMG-Py,comocheng/RMG-Py,comocheng/RMG-Py,enochd/RMG-Py,faribas/RMG-Py,nickvandewiele/RMG-Py,pierrelb/RMG-Py,chatelak/RMG-Py,enochd/RMG-Py,KEHANG/RMG-Py,pierrelb/RMG-Py,KEHANG/RMG-Py,nyee/RMG-Py,faribas/RMG-Py,nickvandewiele/RMG-Py,chatelak/RMG-Py