Added initialization of m_date_term.term_ref in EventTests_F, because two tests were failing.
Added initialization of m_date_term.term_ref in EventTests_F, because two tests were failing.

acmorrow/pion-core,acmorrow/pion-core,acmorrow/pion-core,acmorrow/pion-core,acmorrow/pion-core,acmorrow/pion-core,acmorrow/pion-core