Update test fixtures

...esponse_fixtures/DossiersTest.test_dossier_detail/content

.../response_fixtures/DossiersTest.test_dossier_list/content

...sts/response_fixtures/GroupListTest.test_chambers/content

...s/response_fixtures/GroupListTest.test_committees/content

...ests/response_fixtures/GroupListTest.test_country/content

.../response_fixtures/GroupListTest.test_delegations/content

...ests/response_fixtures/GroupListTest.test_parties/content

...ativeListTest.test_page1_paginateby12_displaylist/content

...st.test_page1_paginateby12_displaylist_searchjoly/content

...ativeListTest.test_page1_paginateby24_displaygrid/content

...ativeListTest.test_page2_paginateby12_displaylist/content

...ativeListTest.test_page2_paginateby24_displaylist/content