Austininvestor, this quote from Crunch55's article should completely answer your concern that vaccine will make testing obsolete. Look forward to hearing your thoughts after reading this.

Quote
We're planning, as a public health community, that we're going to have to manage this pandemic certainly over the next year, but certainly it may be planning for the longer term on the next two to three years during which the vaccine may play a role. But we don't know yet,” Tam told reporters on Tuesday.

“People might think that if we get a vaccine then everything goes back to normal the way it was before. That's not the case… All of the measures we've put in place now will still have to continue with the new reality for quite some time,” Deputy Chief Public Health Officer Dr. Howard Njoo said.

“Certainly I think that we need to temper people's expectations, thinking that the vaccines can be that silver bullet that will take care of everything, and everything we've done up to now won't be necessary in the future,” said Njoo.