Tensions remain high at collapsed medical diagnostic firm HiberGene Diagnostics as angry shareholders dispute the validity of last week’s EGM nominating a liquidator to the company. The firm, which produced rapid Covid-19 tests for RocDoc and raised €15 million from investors in its prime, entered voluntary liquidation on Friday afternoon after creditors backed the appointment of Colin Gaynor of Resolute Advisory as liquidator via a meeting held over Zoom.  Gaynor’s nomination by the board was approved earlier that day at a fraught meeting of shareholders who narrowly passed the resolution with 56 per cent of those in attendance voting in…