6666 * that do allow default values (all others) follow another form. 
6767 */ 
6868public  class  TestAccountConfiguration  {
69+   private  static  final  String  TEST_OAUTH_PROVIDER_CLASS_CONFIG  = "org.apache.hadoop.fs.azurebfs.oauth2.ClientCredsTokenProvider" ;
6970  private  static  final  String  TEST_OAUTH_MSI_TOKEN_PROVIDER_CLASS_CONFIG  = "org.apache.hadoop.fs.azurebfs.oauth2.MsiTokenProvider" ;
7071  private  static  final  String  TEST_CUSTOM_PROVIDER_CLASS_CONFIG  = "org.apache.hadoop.fs.azurebfs.oauth2.RetryTestTokenProvider" ;
7172  private  static  final  String  TEST_SAS_PROVIDER_CLASS_CONFIG_1  = "org.apache.hadoop.fs.azurebfs.extensions.MockErrorSASTokenProvider" ;
@@ -91,11 +92,6 @@ public class TestAccountConfiguration {
9192          FS_AZURE_ACCOUNT_OAUTH_USER_NAME ,
9293          FS_AZURE_ACCOUNT_OAUTH_USER_PASSWORD ));
9394
94-   private  static  final  List <String > MSI_TOKEN_OAUTH_CONFIG_KEYS  =
95-       Collections .unmodifiableList (Arrays .asList (
96-           FS_AZURE_ACCOUNT_OAUTH_MSI_TENANT ,
97-           FS_AZURE_ACCOUNT_OAUTH_CLIENT_ID ));
98- 
9995  private  static  final  List <String > REFRESH_TOKEN_OAUTH_CONFIG_KEYS  =
10096      Collections .unmodifiableList (Arrays .asList (
10197          FS_AZURE_ACCOUNT_OAUTH_REFRESH_TOKEN ,
@@ -411,10 +407,8 @@ public void testAccessTokenProviderPrecedence()
411407  public  void  testOAuthConfigPropNotFound () throws  Throwable  {
412408    testConfigPropNotFound (CLIENT_CREDENTIAL_OAUTH_CONFIG_KEYS , ClientCredsTokenProvider .class .getName ());
413409    testConfigPropNotFound (USER_PASSWORD_OAUTH_CONFIG_KEYS , UserPasswordTokenProvider .class .getName ());
414-     testConfigPropNotFound (MSI_TOKEN_OAUTH_CONFIG_KEYS , MsiTokenProvider .class .getName ());
415410    testConfigPropNotFound (REFRESH_TOKEN_OAUTH_CONFIG_KEYS , RefreshTokenBasedTokenProvider .class .getName ());
416411    testConfigPropNotFound (WORKLOAD_IDENTITY_OAUTH_CONFIG_KEYS , WorkloadIdentityTokenProvider .class .getName ());
417- 
418412  }
419413
420414  private  void  testConfigPropNotFound (List <String > configKeys ,
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