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How can I load a migration in a KernelTest?

I’m trying to test a migration with a KernelTest, but I’m running into an issue when I try to load the migration plugin.

My migration is defined in my_module/migrations/my_migration.yml. In my KernelTest, I’ve listed my_module and migrate in the $modules static property.

In a custom form, I use the following to load a migration plugin:

/** @var DrupalmigratePluginMigrationPluginManagerInterface $plugin_manager */ $plugin_manager = Drupal::service('plugin.manager.migration'); $migration = $plugin_manager   ->createInstance('MY_MIGRATION'); // Next, create MigrateExecutable, etc...

However, when I use this same code in my KernelTest, $migration is always FALSE. I feel like this is because my migration is not loaded (?) when I enable my module in the test, but I’m not sure what to do about it. What am I missing here? How can I load my migration in the test?

This article was republished from its original source.
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How can I load a migration in a KernelTest?

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