From b02f6fe21fe3455248bac9f02d2bc393bba33768 Mon Sep 17 00:00:00 2001
From: Mario Vega <marioevz@gmail.com>
Date: Wed, 6 Dec 2023 18:14:20 +0000
Subject: [PATCH 1/2] tests/cancun/eip4844: fix invalid blob gas fee tx test

---
 tests/cancun/eip4844_blobs/test_blob_txs.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tests/cancun/eip4844_blobs/test_blob_txs.py b/tests/cancun/eip4844_blobs/test_blob_txs.py
index 5ae5db4f339..9d7f9d295b2 100644
--- a/tests/cancun/eip4844_blobs/test_blob_txs.py
+++ b/tests/cancun/eip4844_blobs/test_blob_txs.py
@@ -516,6 +516,10 @@ def test_valid_blob_tx_combinations(
     ],
     ids=["insufficient_max_fee_per_blob_gas", "invalid_max_fee_per_blob_gas"],
 )
+@pytest.mark.parametrize(
+    "account_balance_modifier",
+    [1_000_000_000],
+)  # Extra balance to cover block blob gas cost
 @pytest.mark.valid_from("Cancun")
 def test_invalid_tx_max_fee_per_blob_gas(
     blockchain_test: BlockchainTestFiller,

From bc7c5d697acb2ec387bd9a5a9fe903e1aff8625e Mon Sep 17 00:00:00 2001
From: Mario Vega <marioevz@gmail.com>
Date: Wed, 6 Dec 2023 18:19:38 +0000
Subject: [PATCH 2/2] changelog

---
 docs/CHANGELOG.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/docs/CHANGELOG.md b/docs/CHANGELOG.md
index f37279af44f..2136ef795d1 100644
--- a/docs/CHANGELOG.md
+++ b/docs/CHANGELOG.md
@@ -8,6 +8,8 @@ Test fixtures for use by clients are available for each release on the [Github r
 
 ### 🧪 Test Cases
 
+- 🐞 Fixed `tests/cancun/eip4844_blobs/test_blob_txs.py:test_invalid_tx_max_fee_per_blob_gas` to account for extra gas required in the case where the account is incorrectly deduced the balance as if it had the correct block blob gas fee.
+
 ### 🛠️ Framework
 
 - ✨ Add a `--single-fixture-per-file` flag to generate one fixture JSON file per test case ([#331](https://github.com/ethereum/execution-spec-tests/pull/331)).