Issue #3180588 by GuyPaddock, zeeshan_khan, vsujeetkumar, bnjmnm, tstoeckler:...

namespace Drupal\Core\Config;

use Drupal\Component\Utility\Crypt;

use Drupal\Component\Utility\NestedArray;

use Drupal\Core\Config\Entity\ConfigDependencyManager;

use Drupal\Core\Extension\ExtensionPathResolver;

use Drupal\Core\Installer\InstallerKernel;

      // Ensure enforced dependencies are included.

      if (isset($all_dependencies['enforced'])) {

        $all_dependencies = array_merge($all_dependencies, $data['dependencies']['enforced']);

        $all_dependencies = NestedArray::mergeDeep($all_dependencies, $data['dependencies']['enforced']);

        unset($all_dependencies['enforced']);

      }

      // Ensure the configuration entity type provider is in the list of

id: config_test.dynamic.enforced_and_base_dependencies

label: 'Module test with a mix of enforced and base modular dependencies'

weight: 0

style: ''

status: true

langcode: en

protected_property: Default

dependencies:

  enforced:

    module:

      - config_install_dependency_enforced_combo_test

  module:

    - readonly_field_widget

name: 'Config install dependency test with mix of enforced and base module dependencies'

type: module

package: Testing

version: VERSION

    // recreated.

    $this->installModule('config');

    $this->assertNull($this->getStorage()->load('other_module_test_optional_entity_unmet'), 'The optional configuration config_test.dynamic.other_module_test_optional_entity_unmet whose dependencies are met is not installed when an unrelated module is installed.');

    // Ensure that enforced dependencies do not overwrite base ones.

    $this->installModule('config_install_dependency_enforced_combo_test');

    $this->assertTrue(\Drupal::moduleHandler()->moduleExists('config_install_dependency_enforced_combo_test'), 'The config_install_dependency_enforced_combo_test module is installed.');

    $this->assertNull($this->getStorage()->load('config_test.dynamic.enforced_and_base_dependencies'), 'The optional configuration config_test.dynamic.enforced_and_base_dependencies whose enforced dependencies are met but base module dependencies are not met is not created.');

  }

  /**