Many API Examples are missing tests #130459
Description
In the examples/api directory, we have a lot of examples (over 200) that don't have corresponding tests written for them.
For example, all of these test files are missing:
examples/api/test/cupertino/text_field/cupertino_text_field.0_test.dart
examples/api/test/material/bottom_app_bar/bottom_app_bar.2_test.dart
examples/api/test/material/bottom_app_bar/bottom_app_bar.1_test.dart
examples/api/test/material/theme/theme_extension.1_test.dart
examples/api/test/material/elevated_button/elevated_button.0_test.dart
examples/api/test/material/material_state/material_state_border_side.0_test.dart
examples/api/test/material/material_state/material_state_mouse_cursor.0_test.dart
examples/api/test/material/material_state/material_state_outlined_border.0_test.dart
examples/api/test/material/material_state/material_state_property.0_test.dart
examples/api/test/material/selectable_region/selectable_region.0_test.dart
examples/api/test/material/text_field/text_field.2_test.dart
examples/api/test/material/text_field/text_field.1_test.dart
examples/api/test/material/button_style/button_style.0_test.dart
examples/api/test/material/range_slider/range_slider.0_test.dart
examples/api/test/material/card/card.2_test.dart
examples/api/test/material/card/card.0_test.dart
examples/api/test/material/selection_container/selection_container_disabled.0_test.dart
examples/api/test/material/selection_container/selection_container.0_test.dart
examples/api/test/material/color_scheme/dynamic_content_color.0_test.dart
examples/api/test/material/platform_menu_bar/platform_menu_bar.0_test.dart
examples/api/test/material/menu_anchor/menu_anchor.2_test.dart
examples/api/test/material/stepper/stepper.controls_builder.0_test.dart
examples/api/test/material/stepper/stepper.0_test.dart
examples/api/test/material/flexible_space_bar/flexible_space_bar.0_test.dart
examples/api/test/material/data_table/data_table.1_test.dart
examples/api/test/material/data_table/data_table.0_test.dart
examples/api/test/material/floating_action_button_location/standard_fab_location.0_test.dart
examples/api/test/material/chip/deletable_chip_attributes.on_deleted.0_test.dart
examples/api/test/material/snack_bar/snack_bar.0_test.dart
examples/api/test/material/snack_bar/snack_bar.2_test.dart
examples/api/test/material/snack_bar/snack_bar.1_test.dart
examples/api/test/material/bottom_navigation_bar/bottom_navigation_bar.0_test.dart
examples/api/test/material/bottom_navigation_bar/bottom_navigation_bar.1_test.dart
examples/api/test/material/outlined_button/outlined_button.0_test.dart
examples/api/test/material/icon_button/icon_button.2_test.dart
examples/api/test/material/icon_button/icon_button.3_test.dart
examples/api/test/material/icon_button/icon_button.0_test.dart
examples/api/test/material/icon_button/icon_button.1_test.dart
examples/api/test/material/expansion_panel/expansion_panel_list.0_test.dart
examples/api/test/material/expansion_panel/expansion_panel_list.expansion_panel_list_radio.0_test.dart
examples/api/test/material/input_decorator/input_decoration.1_test.dart
examples/api/test/material/input_decorator/input_decoration.prefix_icon_constraints.0_test.dart
examples/api/test/material/input_decorator/input_decoration.material_state.0_test.dart
examples/api/test/material/input_decorator/input_decoration.2_test.dart
examples/api/test/material/input_decorator/input_decoration.0_test.dart
examples/api/test/material/input_decorator/input_decoration.label.0_test.dart
examples/api/test/material/input_decorator/input_decoration.suffix_icon_constraints.0_test.dart
examples/api/test/material/input_decorator/input_decoration.3_test.dart
examples/api/test/material/input_decorator/input_decoration.material_state.1_test.dart
examples/api/test/material/filled_button/filled_button.0_test.dart
examples/api/test/material/text_form_field/text_form_field.1_test.dart
examples/api/test/material/scrollbar/scrollbar.1_test.dart
examples/api/test/material/scrollbar/scrollbar.0_test.dart
examples/api/test/material/dropdown_menu/dropdown_menu.1_test.dart
examples/api/test/material/dropdown_menu/dropdown_menu.0_test.dart
examples/api/test/material/radio/radio.toggleable.0_test.dart
examples/api/test/material/radio/radio.0_test.dart
examples/api/test/material/search_anchor/search_anchor.0_test.dart
examples/api/test/material/search_anchor/search_anchor.1_test.dart
examples/api/test/material/search_anchor/search_anchor.2_test.dart
examples/api/test/material/about/about_list_tile.0_test.dart
examples/api/test/material/tab_controller/tab_controller.1_test.dart
examples/api/test/material/selection_area/selection_area.0_test.dart
examples/api/test/material/scaffold/scaffold.end_drawer.0_test.dart
examples/api/test/material/scaffold/scaffold.drawer.0_test.dart
examples/api/test/material/scaffold/scaffold.1_test.dart
examples/api/test/material/scaffold/scaffold.of.0_test.dart
examples/api/test/material/scaffold/scaffold_messenger.of.0_test.dart
examples/api/test/material/scaffold/scaffold_messenger.0_test.dart
examples/api/test/material/scaffold/scaffold.0_test.dart
examples/api/test/material/scaffold/scaffold_state.show_bottom_sheet.0_test.dart
examples/api/test/material/scaffold/scaffold.2_test.dart
examples/api/test/material/scaffold/scaffold_messenger_state.show_material_banner.0_test.dart
examples/api/test/material/scaffold/scaffold.of.1_test.dart
examples/api/test/material/scaffold/scaffold_messenger.of.1_test.dart
examples/api/test/material/scaffold/scaffold_messenger_state.show_snack_bar.0_test.dart
examples/api/test/material/segmented_button/segmented_button.0_test.dart
examples/api/test/material/app_bar/app_bar.2_test.dart
examples/api/test/material/app_bar/sliver_app_bar.1_test.dart
examples/api/test/material/app_bar/sliver_app_bar.2_test.dart
examples/api/test/material/app_bar/sliver_app_bar.3_test.dart
examples/api/test/material/app_bar/app_bar.1_test.dart
examples/api/test/material/app_bar/sliver_app_bar.4_test.dart
examples/api/test/material/app_bar/app_bar.3_test.dart
examples/api/test/material/app_bar/app_bar.0_test.dart
examples/api/test/material/ink_well/ink_well.0_test.dart
examples/api/test/material/banner/material_banner.1_test.dart
examples/api/test/material/banner/material_banner.0_test.dart
examples/api/test/material/checkbox/checkbox.1_test.dart
examples/api/test/material/checkbox/checkbox.0_test.dart
examples/api/test/material/navigation_rail/navigation_rail.extended_animation.0_test.dart
examples/api/test/material/text_button/text_button.0_test.dart
examples/api/test/rendering/growth_direction/growth_direction.0_test.dart
examples/api/test/rendering/sliver_grid/sliver_grid_delegate_with_fixed_cross_axis_count.0_test.dart
examples/api/test/rendering/sliver_grid/sliver_grid_delegate_with_fixed_cross_axis_count.1_test.dart
examples/api/test/rendering/scroll_direction/scroll_direction.0_test.dart
examples/api/test/painting/axis_direction/axis_direction.0_test.dart
examples/api/test/painting/linear_border/linear_border.0_test.dart
examples/api/test/painting/gradient/linear_gradient.0_test.dart
examples/api/test/painting/star_border/star_border.0_test.dart
examples/api/test/painting/borders/border_side.stroke_align.0_test.dart
examples/api/test/widgets/autocomplete/raw_autocomplete.focus_node.0_test.dart
examples/api/test/widgets/autocomplete/raw_autocomplete.2_test.dart
examples/api/test/widgets/autocomplete/raw_autocomplete.1_test.dart
examples/api/test/widgets/autocomplete/raw_autocomplete.0_test.dart
examples/api/test/widgets/navigator/navigator.restorable_push_and_remove_until.0_test.dart
examples/api/test/widgets/navigator/navigator.0_test.dart
examples/api/test/widgets/navigator/navigator.restorable_push.0_test.dart
examples/api/test/widgets/navigator/navigator_state.restorable_push_replacement.0_test.dart
examples/api/test/widgets/navigator/navigator_state.restorable_push_and_remove_until.0_test.dart
examples/api/test/widgets/navigator/navigator.restorable_push_replacement.0_test.dart
examples/api/test/widgets/navigator/restorable_route_future.0_test.dart
examples/api/test/widgets/navigator/navigator_state.restorable_push.0_test.dart
examples/api/test/widgets/focus_manager/focus_node.unfocus.0_test.dart
examples/api/test/widgets/focus_manager/focus_node.0_test.dart
examples/api/test/widgets/framework/build_owner.0_test.dart
examples/api/test/widgets/framework/error_widget.0_test.dart
examples/api/test/widgets/inherited_theme/inherited_theme.0_test.dart
examples/api/test/widgets/sliver/decorated_sliver.0_test.dart
examples/api/test/widgets/autofill/autofill_group.0_test.dart
examples/api/test/widgets/drag_target/draggable.0_test.dart
examples/api/test/widgets/shared_app_data/shared_app_data.1_test.dart
examples/api/test/widgets/shared_app_data/shared_app_data.0_test.dart
examples/api/test/widgets/form/form.0_test.dart
examples/api/test/widgets/nested_scroll_view/nested_scroll_view_state.0_test.dart
examples/api/test/widgets/nested_scroll_view/nested_scroll_view.2_test.dart
examples/api/test/widgets/nested_scroll_view/nested_scroll_view.1_test.dart
examples/api/test/widgets/nested_scroll_view/nested_scroll_view.0_test.dart
examples/api/test/widgets/page_view/page_view.0_test.dart
examples/api/test/widgets/scroll_position/scroll_metrics_notification.0_test.dart
examples/api/test/widgets/media_query/media_query_data.system_gesture_insets.0_test.dart
examples/api/test/widgets/async/stream_builder.0_test.dart
examples/api/test/widgets/async/future_builder.0_test.dart
examples/api/test/widgets/restoration_properties/restorable_value.0_test.dart
examples/api/test/widgets/animated_size/animated_size.0_test.dart
examples/api/test/widgets/table/table.0_test.dart
examples/api/test/widgets/animated_switcher/animated_switcher.0_test.dart
examples/api/test/widgets/transitions/relative_positioned_transition.0_test.dart
examples/api/test/widgets/transitions/positioned_transition.0_test.dart
examples/api/test/widgets/transitions/listenable_builder.3_test.dart
examples/api/test/widgets/transitions/sliver_fade_transition.0_test.dart
examples/api/test/widgets/transitions/align_transition.0_test.dart
examples/api/test/widgets/transitions/fade_transition.0_test.dart
examples/api/test/widgets/transitions/animated_builder.0_test.dart
examples/api/test/widgets/transitions/rotation_transition.0_test.dart
examples/api/test/widgets/transitions/animated_widget.0_test.dart
examples/api/test/widgets/transitions/slide_transition.0_test.dart
examples/api/test/widgets/transitions/listenable_builder.2_test.dart
examples/api/test/widgets/transitions/scale_transition.0_test.dart
examples/api/test/widgets/transitions/default_text_style_transition.0_test.dart
examples/api/test/widgets/transitions/decorated_box_transition.0_test.dart
examples/api/test/widgets/transitions/size_transition.0_test.dart
examples/api/test/widgets/animated_list/animated_list.0_test.dart
examples/api/test/widgets/focus_traversal/focus_traversal_group.0_test.dart
examples/api/test/widgets/focus_traversal/ordered_traversal_policy.0_test.dart
examples/api/test/widgets/image/image.error_builder.0_test.dart
examples/api/test/widgets/image/image.frame_builder.0_test.dart
examples/api/test/widgets/image/image.loading_builder.0_test.dart
examples/api/test/widgets/shortcuts/logical_key_set.0_test.dart
examples/api/test/widgets/shortcuts/shortcuts.0_test.dart
examples/api/test/widgets/shortcuts/single_activator.single_activator.0_test.dart
examples/api/test/widgets/shortcuts/shortcuts.1_test.dart
examples/api/test/widgets/shortcuts/character_activator.0_test.dart
examples/api/test/widgets/shortcuts/callback_shortcuts.0_test.dart
examples/api/test/widgets/page_storage/page_storage.0_test.dart
examples/api/test/widgets/scrollbar/raw_scrollbar.1_test.dart
examples/api/test/widgets/scrollbar/raw_scrollbar.2_test.dart
examples/api/test/widgets/scrollbar/raw_scrollbar.desktop.0_test.dart
examples/api/test/widgets/scrollbar/raw_scrollbar.shape.0_test.dart
examples/api/test/widgets/scrollbar/raw_scrollbar.0_test.dart
examples/api/test/widgets/sliver_fill/sliver_fill_remaining.2_test.dart
examples/api/test/widgets/sliver_fill/sliver_fill_remaining.1_test.dart
examples/api/test/widgets/sliver_fill/sliver_fill_remaining.3_test.dart
examples/api/test/widgets/sliver_fill/sliver_fill_remaining.0_test.dart
examples/api/test/widgets/interactive_viewer/interactive_viewer.constrained.0_test.dart
examples/api/test/widgets/interactive_viewer/interactive_viewer.transformation_controller.0_test.dart
examples/api/test/widgets/interactive_viewer/interactive_viewer.0_test.dart
examples/api/test/widgets/notification_listener/notification.0_test.dart
examples/api/test/widgets/gesture_detector/gesture_detector.1_test.dart
examples/api/test/widgets/gesture_detector/gesture_detector.0_test.dart
examples/api/test/widgets/editable_text/text_editing_controller.0_test.dart
examples/api/test/widgets/editable_text/editable_text.on_changed.0_test.dart
examples/api/test/widgets/undo_history/undo_history_controller.0_test.dart
examples/api/test/widgets/overscroll_indicator/glowing_overscroll_indicator.1_test.dart
examples/api/test/widgets/overscroll_indicator/glowing_overscroll_indicator.0_test.dart
examples/api/test/widgets/tween_animation_builder/tween_animation_builder.0_test.dart
examples/api/test/widgets/single_child_scroll_view/single_child_scroll_view.1_test.dart
examples/api/test/widgets/single_child_scroll_view/single_child_scroll_view.0_test.dart
examples/api/test/widgets/overflow_bar/overflow_bar.0_test.dart
examples/api/test/widgets/restoration/restoration_mixin.0_test.dart
examples/api/test/widgets/actions/actions.0_test.dart
examples/api/test/widgets/actions/action_listener.0_test.dart
examples/api/test/widgets/actions/focusable_action_detector.0_test.dart
examples/api/test/widgets/color_filter/color_filtered.0_test.dart
examples/api/test/widgets/focus_scope/focus.2_test.dart
examples/api/test/widgets/focus_scope/focus.0_test.dart
examples/api/test/widgets/focus_scope/focus.1_test.dart
examples/api/test/widgets/focus_scope/focus_scope.0_test.dart
examples/api/test/widgets/implicit_animations/animated_fractionally_sized_box.0_test.dart
examples/api/test/widgets/implicit_animations/animated_align.0_test.dart
examples/api/test/widgets/implicit_animations/animated_positioned.0_test.dart
examples/api/test/widgets/implicit_animations/animated_padding.0_test.dart
examples/api/test/widgets/implicit_animations/sliver_animated_opacity.0_test.dart
examples/api/test/widgets/implicit_animations/animated_container.0_test.dart
examples/api/test/widgets/dismissible/dismissible.0_test.dart
examples/api/test/widgets/scroll_view/custom_scroll_view.1_test.dart
examples/api/test/widgets/preferred_size/preferred_size.0_test.dart
examples/api/test/widgets/inherited_notifier/inherited_notifier.0_test.dart
examples/api/test/animation/curves/curve2_d.0_test.dart
examples/api/test/gestures/pointer_signal_resolver/pointer_signal_resolver.0_test.dart
These should eventually all be written.
The dev/bots/check_code_samples.dart file has this list of missing tests in it in order to allow it to exempt them until such a time as they are implemented, while still preventing new examples from being added without tests.