documentclass[11pt, a4paper, oneside]{memoir}
usepackage{graphicx}
usepackage{float}
usepackage{fontspec}
setmainfont{TeX Gyre Schola}


begin{document}
renewcommand{printtoctitle}{centeringHugebfseries}
renewcommand{contentsname}{textsc{tableenspace ofenspace contents}}
renewcommand{listfigurename}{hspace*{fill}textsc{list of figures}}
renewcommand{listtablename}{hspace*{fill}textsc{list of tables}}

    tableofcontents
    listoffigures
    listoftables

section{Test}

begin{figure}[H]
   includegraphics[width=1cm]{c:/temp/Final_images/va_blacked.png}
end{figure}

end{document}