ACP2E-961: Customer attribute 'Is required' attribute is not properly overridden per website scope in Admin

Author: viktym

app/code/Magento/Customer/Test/Unit/Model/Customer/DataProviderTest.php

@@ -38,8 +38,8 @@
  */
 class DataProviderTest extends TestCase
 {
-    const ATTRIBUTE_CODE = 'test-code';
-    const OPTIONS_RESULT = 'test-options';
+    private const ATTRIBUTE_CODE = 'test-code';
+    private const OPTIONS_RESULT = 'test-options';
 
     /**
      * @var Config|MockObject