Test passes if the fallback font selected for the Unicode Private Use Area test text is the priority font.
abc󰀀󺪪󿿿􀀀􊪪􏿿
#pua_test_mono:
"Courier New" : 14

abc󰀀󺪪󿿿􀀀􊪪􏿿
#pua_test_serif:
"Times New Roman" : 14