Updated to Drupal 8.5. Core Media not yet in use.

[yaffs-website] / web / core / modules / block / tests / modules / block_test / block_test.services.yml

services:
  block_test.multiple_static_context:
    class: Drupal\block_test\ContextProvider\MultipleStaticContext
    arguments: ['@current_user', '@entity.manager']
    tags:
      - { name: 'context_provider' }