fixed psalm issues

Author: transistive

tests/Base/ClientTest.php

@@ -25,9 +25,9 @@ abstract class ClientTest extends TestCase
     abstract public function createClient(): ClientInterface;
 
     /**
-     * @return iterable<array<string>>
+     * @return array<array<string>>
      */
-    public function connectionAliases(): iterable
+    public function connectionAliases(): array
     {
         return [['bolt'], ['http'], ['cluster']];
     }

tests/Integration/HttpConsistencyTest.php

@@ -59,6 +59,9 @@ public function testConsistencyTransaction(string $alias): void
         self::assertEquals(['name' => 'bbb'], $results->last()->get('n'));
     }
 
+    /**
+     * @return list<list<string>>
+     */
     public function aliases(): array
     {
         return [