Rita edits ch 23 #1469

Job	Run time
chapter-tests (test_chapter_01)	4m 17s
chapter-tests (test_chapter_02_unittest)	2m 5s
chapter-tests (test_chapter_03_unit_test_first_view)	2m 51s
chapter-tests (test_chapter_04_philosophy_and_refactoring)	5m 5s
chapter-tests (test_chapter_05_post_and_database)	3m 29s
chapter-tests (test_chapter_06_explicit_waits_1)	2m 50s
chapter-tests (test_chapter_07_working_incrementally)	5m 31s
chapter-tests (test_chapter_08_prettification)	3m 39s
chapter-tests (test_chapter_09_docker)	3m 53s
chapter-tests (test_chapter_10_production_readiness)	4m 3s
chapter-tests (test_chapter_11_server_prep)	2m 27s
chapter-tests (test_chapter_12_ansible)	3m 10s
chapter-tests (test_chapter_13_organising_test_files)	3m 18s
chapter-tests (test_chapter_14_database_layer_validation)	5m 0s
chapter-tests (test_chapter_15_simple_form)	4m 17s
chapter-tests (test_chapter_16_advanced_forms)	4m 28s
chapter-tests (test_chapter_17_javascript)	4m 46s
chapter-tests (test_chapter_19_spiking_custom_auth)	4m 55s
chapter-tests (test_chapter_20_mocking_1)	3m 53s
chapter-tests (test_chapter_21_mocking_2)	4m 5s
chapter-tests (test_chapter_22_fixtures_and_wait_decorator)	3m 18s
chapter-tests (test_chapter_23_debugging_prod)	4m 17s
chapter-tests (test_chapter_24_outside_in)	3m 52s
chapter-tests (test_chapter_25_CI)	2m 51s
chapter-tests (test_chapter_26_page_pattern)	2m 59s
	1h 35m 19s

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