HADOOP-15781. S3A assumed role tests failing due to changed error text in AWS exceptions.

Contributed by Steve Loughran

This is a subset of c07715e37895a2e406 to track changes in the AWS STS error messages.
If the later AWS SDK is ever backported to older branches, the rest of that patch will need
cherry-picking

hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3a/auth/ITestAssumeRole.java

@@ -61,6 +61,7 @@ import static org.apache.hadoop.fs.s3a.auth.RoleTestUtils.*;
 import static org.apache.hadoop.fs.s3a.auth.RoleModel.*;
 import static org.apache.hadoop.fs.s3a.auth.RolePolicies.*;
 import static org.apache.hadoop.fs.s3a.auth.RoleTestUtils.forbidden;
+import static org.apache.hadoop.test.GenericTestUtils.assertExceptionContains;
 import static org.apache.hadoop.test.LambdaTestUtils.*;
 
 /**
@@ -148,7 +149,7 @@ public class ITestAssumeRole extends AbstractS3ATestBase {
     Configuration conf = new Configuration();
     conf.set(ASSUMED_ROLE_ARN, ROLE_ARN_EXAMPLE);
     interceptClosing(AWSSecurityTokenServiceException.class,
-        E_BAD_ROLE,
+        "",
         () -> new AssumedRoleCredentialProvider(uri, conf));
   }
 
@@ -157,8 +158,7 @@ public class ITestAssumeRole extends AbstractS3ATestBase {
     describe("Attemnpt to create the FS with an invalid ARN");
     Configuration conf = createAssumedRoleConfig();
     conf.set(ASSUMED_ROLE_ARN, ROLE_ARN_EXAMPLE);
-    expectFileSystemCreateFailure(conf, AccessDeniedException.class,
-        E_BAD_ROLE);
+    expectFileSystemCreateFailure(conf, AccessDeniedException.class, "");
   }
 
   @Test
@@ -284,7 +284,6 @@ public class ITestAssumeRole extends AbstractS3ATestBase {
         () -> new AssumedRoleCredentialProvider(uri, conf));
   }
 
-
   @Test
   public void testAssumeRoleCreateFS() throws IOException {
     describe("Create an FS client with the role and do some basic IO");