test: Fix TestDeployController expected process counts
test: Fix TestDeployController expected process counts

Expect there to be the same number of web and worker processes as
before we deploy the controller instead of assuming there should be 2.

Signed-off-by: Jesse Stuart <a5c95b3d7cb4d0ae05a15c79c79ab458dc2c8f9e@jessestuart.ca>

benbjohnson/flynn,benbjohnson/flynn,lmars/flynn,flynn/flynn,lmars/flynn,flynn/flynn,flynn/flynn,philiplb/flynn,lmars/flynn,benbjohnson/flynn,flynn/flynn,benbjohnson/flynn,lmars/flynn,philiplb/flynn,flynn/flynn,benbjohnson/flynn,philiplb/flynn,philiplb/flynn,benbjohnson/flynn,philiplb/flynn,lmars/flynn