Heres my timeline,
Arrived 01 April 2017(489) from UK
Application for 887 (PR) 31 March 2019
PR (887) approved 16 June 2020
Applied Citizenship 017 June 2021
Invitation 19 July 2021 (invited for 18 August 2021)
Test Date 23 July 2021 (rescheduled from August)
Approval 23 July 2021 (in half hour from test)
Ceremony TBA