fix test assert

Signed-off-by: Matthew Peveler <matt.peveler@gmail.com>

Author: MasterOdin

tests/Phinx/Db/Adapter/SqlServerAdapterTest.php

@@ -687,14 +687,14 @@ public function testChangeColumnDefaultStringBoolean(): void
         $table->addColumn('column1', 'boolean', ['default' => 'true'])
             ->save();
         $columns = $this->adapter->getColumns('t');
-        $this->assertSame(1, $columns['column1']->getDefault());
+        $this->assertSame(true, $columns['column1']->getDefault());
         $newColumn1 = new Column();
         $newColumn1
             ->setType('boolean')
             ->setDefault('false');
         $table->changeColumn('column1', $newColumn1)->save();
         $columns = $this->adapter->getColumns('t');
-        $this->assertSame(0, $columns['column1']->getDefault());
+        $this->assertSame(false, $columns['column1']->getDefault());
     }
 
     public function testDropColumn()