modified object_key + input values to match description of test functionality

Author: Anirav Kareddy

src/test/java/software/amazon/encryption/s3/S3EncryptionClientMatDescTest.java

@@ -311,8 +311,8 @@ public void testRsaKeyringMatDescOverridesPutObjectEncryptionContext() {
     S3EncryptionClient client = S3EncryptionClient.builder()
       .keyring(rsaKeyring)
       .build();
-    final String input = "Testing Materials Description in Instruction File!";
-    final String objectKey = appendTestSuffix("test-rsa-materials-description-in-instruction-file");
+    final String input = "Testing Materials Description in Instruction File and not Encryption Context!";
+    final String objectKey = appendTestSuffix("test-rsa-materials-description-in-instruction-file-and-not-encryption-context");
     final String encryptionContext = "{\"admin\":\"yes\"}";
 
     client.putObject(builder -> builder
@@ -333,8 +333,6 @@ public void testRsaKeyringMatDescOverridesPutObjectEncryptionContext() {
     assertEquals("1.0", matDescNode.asObject().get("version").asString());
     assertNull(matDescNode.asObject().get("admin"));
 
-    deleteObject(BUCKET, objectKey, client);
-
   }
 
 }