use CPPUNIT_ASSERT_EQUAL

Change-Id: I66db2bdf7bddaa6d8f1d935e28376e3d0898071f
make sure we always set the filter name in the media descriptor

Change-Id: I659c87a0f0856a95a5f9c71180b1d595f0dc09fa
let us use OOXML transitional in the calc export tests

Now the export validation test passes and we can finally make use of it.

Change-Id: Ic8a6d15f3f0aa84b35b480e3cb0fa1c54c5e6b25
sal_Bool to bool

Change-Id: I866946a2a987a95a41cf2b32ed089568ff94b236