diff --git a/tests/AbstractQueryBuilderTest.php b/tests/AbstractQueryBuilderTest.php
index 0f1263cf0..3c929995c 100644
--- a/tests/AbstractQueryBuilderTest.php
+++ b/tests/AbstractQueryBuilderTest.php
@@ -187,19 +187,18 @@ public function testAddUnique(string $name, string $table, array|string $columns
         $this->assertSame($expected, $sql);
     }
 
-    /** @dataProvider \Yiisoft\Db\Tests\Provider\QueryBuilderProvider::columnTypes */
-    public function testAlterColumn(ColumnInterface|string $type): void
+    public function testAlterColumn(): void
     {
         $db = $this->getConnection();
 
         $qb = $db->getQueryBuilder();
-        $sql = $qb->alterColumn('customer', 'email', $type);
+        $sql = $qb->alterColumn('customer', 'email', SchemaInterface::TYPE_STRING);
 
         $this->assertSame(
             DbHelper::replaceQuotes(
                 <<<SQL
                 ALTER TABLE [[customer]] CHANGE [[email]] [[email]]
-                SQL . ' ' . $qb->getColumnType($type),
+                SQL . ' ' . $qb->getColumnType(SchemaInterface::TYPE_STRING),
                 $db->getDriverName(),
             ),
             $sql,
diff --git a/tests/Db/Command/CommandTest.php b/tests/Db/Command/CommandTest.php
index bbe23a985..21aa4205c 100644
--- a/tests/Db/Command/CommandTest.php
+++ b/tests/Db/Command/CommandTest.php
@@ -158,20 +158,17 @@ public function testAddUniqueSql(string $name, string $tableName, array|string $
         $this->assertSame($expected, $sql);
     }
 
-    /** @dataProvider \Yiisoft\Db\Tests\Provider\CommandProvider::columnTypes */
-    public function testAlterColumn(ColumnInterface|string $type): void
+    public function testAlterColumn(): void
     {
         $db = $this->getConnection();
 
         $command = $db->createCommand();
-        $sql = $command->alterColumn('table', 'column', $type)->getSql();
-
-        $type = $db->getQueryBuilder()->getColumnType($type);
+        $sql = $command->alterColumn('table', 'column', SchemaInterface::TYPE_INTEGER)->getSql();
 
         $this->assertSame(
             DbHelper::replaceQuotes(
                 <<<SQL
-                ALTER TABLE [[table]] CHANGE [[column]] [[column]] {$type}
+                ALTER TABLE [[table]] CHANGE [[column]] [[column]] integer
                 SQL,
                 $db->getDriverName(),
             ),