Fix: typo process_duration (#8696)

### What problem does this PR solve?

Fix typo process_duration.

### Type of change

- [x] Documentation Update
- [x] Refactoring

test/testcases/test_sdk_api/test_file_management_within_dataset/test_parse_documents.py

@@ -45,7 +45,7 @@ def validate_document_details(dataset, document_ids):
         if document.id in document_ids:
             assert document.run == "DONE"
             assert len(document.process_begin_at) > 0
-            assert document.process_duation > 0
+            assert document.process_duration > 0
             assert document.progress > 0
             assert "Task done" in document.progress_msg
 

test/testcases/test_sdk_api/test_file_management_within_dataset/test_stop_parse_documents.py

@@ -23,7 +23,7 @@ def validate_document_parse_done(dataset, document_ids):
         if document.id in document_ids:
             assert document.run == "DONE"
             assert len(document.process_begin_at) > 0
-            assert document.process_duation > 0
+            assert document.process_duration > 0
             assert document.progress > 0
             assert "Task done" in document.progress_msg
 

test/testcases/test_sdk_api/test_file_management_within_dataset/test_update_document.py

@@ -141,7 +141,7 @@ class TestDocumentsUpdated:
                 marks=pytest.mark.skip(reason="issues/6104"),
             ),
             pytest.param(
-                {"process_duation": 1.0},
+                {"process_duration": 1.0},
                 "The input parameters are invalid",
                 marks=pytest.mark.skip(reason="issues/6104"),
             ),