Issue #3119910 by mondrake: Change hardcoded quote identifier in EntityQueryTest to square brackets

core/tests/Drupal/KernelTests/Core/Entity/EntityQueryTest.php

@@ -1228,16 +1228,17 @@ public function testToString() {
     $expected = $connection->select("entity_test_mulrev", "base_table");
     $expected->addField("base_table", "revision_id", "revision_id");
     $expected->addField("base_table", "id", "id");
-    $expected->join("entity_test_mulrev__$figures", "entity_test_mulrev__$figures", '"entity_test_mulrev__' . $figures . '"."entity_id" = "base_table"."id"');
-    $expected->join("entity_test_mulrev__$figures", "entity_test_mulrev__{$figures}_2", '"entity_test_mulrev__' . $figures . '_2"."entity_id" = "base_table"."id"');
-    $expected->addJoin("LEFT", "entity_test_mulrev__$figures", "entity_test_mulrev__{$figures}_3", '"entity_test_mulrev__' . $figures . '_3"."entity_id" = "base_table"."id"');
+    $expected->join("entity_test_mulrev__$figures", "entity_test_mulrev__$figures", '[entity_test_mulrev__' . $figures . '].[entity_id] = [base_table].[id]');
+    $expected->join("entity_test_mulrev__$figures", "entity_test_mulrev__{$figures}_2", '[entity_test_mulrev__' . $figures . '_2].[entity_id] = [base_table].[id]');
+    $expected->addJoin("LEFT", "entity_test_mulrev__$figures", "entity_test_mulrev__{$figures}_3", '[entity_test_mulrev__' . $figures . '_3].[entity_id] = [base_table].[id]');
     $expected->condition("entity_test_mulrev__$figures.{$figures}_color", ["blue"], "IN");
     $expected->condition("entity_test_mulrev__{$figures}_2.{$figures}_color", ["red"], "IN");
     $expected->isNull("entity_test_mulrev__{$figures}_3.{$figures}_color");
     $expected->orderBy("base_table.id");
 
-    // Apply table prefixes to the expected SQL.
-    $expected_string = \Drupal::database()->prefixTables((string) $expected);
+    // Apply table prefixes and quote identifiers for the expected SQL.
+    $expected_string = $connection->prefixTables((string) $expected);
+    $expected_string = $connection->quoteIdentifiers($expected_string);
     // Resolve placeholders in the expected SQL to their values.
     $quoted = [];
     foreach ($expected->getArguments() as $key => $value) {