--- /dev/null
+<?php
+
+namespace Drupal\Tests\block\Functional\Update;
+
+use Drupal\FunctionalTests\Update\UpdatePathTestBase;
+
+/**
+ * Tests the upgrade path for block with conditions missing context.
+ *
+ * @see https://www.drupal.org/node/2811519
+ *
+ * @group Update
+ */
+class BlockConditionMissingSchemaUpdateTest extends UpdatePathTestBase {
+
+ /**
+ * This test does not have a failed update but the configuration has missing
+ * schema so can not do the full post update testing offered by
+ * UpdatePathTestBase.
+ *
+ * @var bool
+ *
+ * @see \Drupal\system\Tests\Update\UpdatePathTestBase::runUpdates()
+ */
+ protected $checkFailedUpdates = FALSE;
+
+ /**
+ * {@inheritdoc}
+ */
+ protected static $modules = ['block_test', 'language'];
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function setDatabaseDumpFiles() {
+ $this->databaseDumpFiles = [
+ __DIR__ . '/../../../../../system/tests/fixtures/update/drupal-8.bare.standard.php.gz',
+ __DIR__ . '/../../../fixtures/update/drupal-8.block-test-enabled-missing-schema.php',
+ ];
+ }
+
+ /**
+ * Tests that block context mapping is updated properly.
+ */
+ public function testUpdateHookN() {
+ $this->runUpdates();
+ $this->drupalGet('<front>');
+ // If the block is fixed by block_post_update_fix_negate_in_conditions()
+ // then it will be visible.
+ $this->assertText('Test missing schema on conditions');
+ }
+
+}