Fix(test): downgrade test priorities (#12913)

### What problem does this PR solve?

Changed test priorities in multiple test files, downgrading from p1 to
p2 and p2 to p3.

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

test/testcases/test_web_api/test_chunk_app/test_create_chunk.py

@@ -36,7 +36,7 @@ def validate_chunk_details(auth, kb_id, doc_id, payload, res):
         assert chunk["question_kwd"] == expected
 
 
-@pytest.mark.p1
+@pytest.mark.p2
 class TestAuthorization:
     @pytest.mark.parametrize(
         "invalid_auth, expected_code, expected_message",

test/testcases/test_web_api/test_chunk_app/test_list_chunks.py

@@ -22,7 +22,7 @@ from configs import INVALID_API_TOKEN
 from libs.auth import RAGFlowWebApiAuth
 
 
-@pytest.mark.p1
+@pytest.mark.p2
 class TestAuthorization:
     @pytest.mark.parametrize(
         "invalid_auth, expected_code, expected_message",

test/testcases/test_web_api/test_chunk_app/test_retrieval_chunks.py

@@ -22,7 +22,7 @@ from configs import INVALID_API_TOKEN
 from libs.auth import RAGFlowWebApiAuth
 
 
-@pytest.mark.p1
+@pytest.mark.p2
 class TestAuthorization:
     @pytest.mark.parametrize(
         "invalid_auth, expected_code, expected_message",

test/testcases/test_web_api/test_chunk_app/test_rm_chunks.py

@@ -21,7 +21,7 @@ from configs import INVALID_API_TOKEN
 from libs.auth import RAGFlowWebApiAuth
 
 
-@pytest.mark.p1
+@pytest.mark.p2
 class TestAuthorization:
     @pytest.mark.parametrize(
         "invalid_auth, expected_code, expected_message",

test/testcases/test_web_api/test_chunk_app/test_update_chunk.py

@@ -24,7 +24,7 @@ from configs import INVALID_API_TOKEN
 from libs.auth import RAGFlowWebApiAuth
 
 
-@pytest.mark.p1
+@pytest.mark.p2
 class TestAuthorization:
     @pytest.mark.parametrize(
         "invalid_auth, expected_code, expected_message",