Is this test or oath date because you had mentioned 4 Jul 18 as your test date earlierplease update
received exam letter: January 4, 2019
Pass exam date 7 Feb
waiting for status to be updated
https://www.canadavisa.com/canada-immigration-discussion-board/threads/citizenship-applications-delivered-october-16-20-2017-c6.523200/page-171#post-7035019