Issue #1891198 by dawehner: Move views test helper modules to views/tests/modules.

...ws_test_config/test_views/views.view.test_access_none.yml

...est_config/test_views/views.view.test_aggregate_count.yml

...es/views_test_config/test_views/views.view.test_alias.yml

...ews_test_config/test_views/views.view.test_area_title.yml

..._test_config/test_views/views.view.test_argument_date.yml

...t_views/views.view.test_argument_default_current_user.yml

...fig/test_views/views.view.test_argument_default_fixed.yml

..._test_config/test_views/views.view.test_attachment_ui.yml

...es/views_test_config/test_views/views.view.test_cache.yml

...ews_test_config/test_views/views.view.test_click_sort.yml

.../views_test_config/test_views/views.view.test_destroy.yml

.../views_test_config/test_views/views.view.test_display.yml

..._config/test_views/views.view.test_display_attachment.yml

...st_config/test_views/views.view.test_display_defaults.yml

...est_config/test_views/views.view.test_display_invalid.yml

...s_test_config/test_views/views.view.test_display_more.yml

...ews_test_config/test_views/views.view.test_dropbutton.yml

...ws_test_config/test_views/views.view.test_entity_area.yml

...ews_test_config/test_views/views.view.test_entity_row.yml

..._config/test_views/views.view.test_entity_type_filter.yml