Add example of translated history mode banner #658

Job	Run time
Test Manuals Publisher / Run RSpec	1m 37s
Test Publisher / Run Minitest	8m 57s
Test Search Admin / Run RSpec	1m 14s
Test Search API / Run RSpec	1m 57s
Test Short URL Manager / Run RSpec	52s
Test Service Manual Publisher / Run RSpec	1m 26s
Test Smart Answers / Run Minitest	3m 17s
Test Specialist Publisher / Run RSpec	2m 40s
Test Travel Advice Publisher / Run RSpec	1m 15s
Test Whitehall / minitest-matrix (4, 0)	3m 18s
Test Whitehall / minitest-matrix (4, 1)	3m 15s
Test Whitehall / minitest-matrix (4, 2)	2m 53s
Test Whitehall / minitest-matrix (4, 3)	3m 6s
Test Whitehall / Run Minitest	1s
	35m 48s

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