test: misc. test utils improvements

[mcnulty-fp]

• Fix assertAuthorizationHeader to use parameter
• Fix assertErrorResponse to use fingerprint.AsErrorResponse

These were leftover from a previous PR.

[github-actions]

⚠️ Template files and generated files are not in-sync.

Following files do not match corresponding templates:
v8/api_fingerprint.go v8/client.go v8/configuration.go v8/model_bot_info.go v8/model_bot_result.go v8/model_browser_details.go v8/model_canvas.go v8/model_emoji.go v8/model_error.go v8/model_error_code.go v8/model_error_response.go v8/model_event.go v8/model_event_rule_action.go v8/model_event_rule_action_allow.go v8/model_event_rule_action_block.go v8/model_event_search.go v8/model_event_update.go v8/model_font_preferences.go v8/model_geolocation.go v8/model_geolocation_subdivisions_inner.go v8/model_identification.go v8/model_identification_confidence.go v8/model_integration.go v8/model_integration_subintegration.go v8/model_ip_block_list.go v8/model_ip_info.go v8/model_ip_info_v4.go v8/model_ip_info_v6.go v8/model_plugins_inner.go v8/model_plugins_inner_mime_types_inner.go v8/model_proximity.go v8/model_proxy_confidence.go v8/model_proxy_details.go v8/model_raw_device_attributes.go v8/model_request_header_modifications.go v8/model_rule_action_header_field.go v8/model_rule_action_type.go v8/model_sdk.go v8/model_supplementary_id_high_recall.go v8/model_tampering_details.go v8/model_touch_support.go v8/model_triggered_by_inner.go v8/model_velocity.go v8/model_velocity_data.go v8/model_vpn_confidence.go v8/model_vpn_methods.go v8/model_web_gl_basics.go v8/model_web_gl_extensions.go v8/response.go v8/utils.go

To fix this warning, make sure template files are up-to-date, and generate files by running the following command:

./bin/openapi-codegen-docker.sh --no-gofmt

[github-actions]

⚠️ This PR doesn't contain any changesets. If there are user-facing changes, don't forget to run:

pnpm exec changeset

to create a changeset.