Add govspeak support for finder summary #823

Job	Run time
Test Manuals Publisher / Run RSpec	1m 33s
Test Publisher / Run Minitest	8m 30s
Test Search Admin / Run RSpec	57s
Test Search API / Run RSpec	1m 40s
Test Service Manual Publisher / Run RSpec	1m 7s
Test Short URL Manager / Run RSpec	45s
Test Smart Answers / Run Minitest	1m 37s
Test Specialist Publisher / Run RSpec	3m 14s
Test Travel Advice Publisher / Run RSpec	57s
Test Whitehall / minitest-matrix (4, 0)	2m 44s
Test Whitehall / minitest-matrix (4, 1)	2m 24s
Test Whitehall / minitest-matrix (4, 2)	2m 25s
Test Whitehall / minitest-matrix (4, 3)	2m 45s
Test Whitehall / Run Minitest	1s
	30m 39s

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