diff --git a/tests/amsterdam/eip8037_state_creation_gas_cost_increase/test_block_2d_gas_accounting.py b/tests/amsterdam/eip8037_state_creation_gas_cost_increase/test_block_2d_gas_accounting.py
index dd18f4b3d47..da1e886537a 100644
--- a/tests/amsterdam/eip8037_state_creation_gas_cost_increase/test_block_2d_gas_accounting.py
+++ b/tests/amsterdam/eip8037_state_creation_gas_cost_increase/test_block_2d_gas_accounting.py
@@ -483,14 +483,28 @@ def test_multi_block_dimension_flip(
     )
 
 
-@pytest.mark.exception_test
+@pytest.mark.parametrize(
+    "delta",
+    [
+        pytest.param(0, id="exactly_fits"),
+        pytest.param(1, id="exceeds", marks=pytest.mark.exception_test),
+    ],
+)
 @pytest.mark.valid_from("EIP8037")
-def test_tx_rejected_when_regular_gas_exceeds_block_limit_small(
+def test_tx_inclusion_at_regular_gas_block_limit_small(
     blockchain_test: BlockchainTestFiller,
     pre: Alloc,
     fork: Fork,
+    delta: int,
 ) -> None:
-    """Reject a small-gas tx whose regular gas overflows the block."""
+    """
+    Probe the regular-gas inclusion boundary with a small-gas tx.
+
+    The second tx's ``gas_limit`` is the remaining regular budget
+    plus ``delta``. The inclusion check uses strict ``>``, so
+    ``delta=0`` must pass and ``delta=1`` must reject with
+    ``GAS_ALLOWANCE_EXCEEDED``. Catches an off-by-one ``>=`` bug.
+    """
     gas_limit_cap = fork.transaction_gas_limit_cap()
     assert gas_limit_cap is not None
     intrinsic_gas = fork.transaction_intrinsic_cost_calculator()()
@@ -504,14 +518,15 @@ def test_tx_rejected_when_regular_gas_exceeds_block_limit_small(
         sender=pre.fund_eoa(),
     )
 
-    rejected_gas_limit = intrinsic_gas + 1
-    assert rejected_gas_limit < gas_limit_cap
-    rejected = pre.deploy_contract(code=Op.STOP)
-    rejected_tx = Transaction(
-        to=rejected,
-        gas_limit=rejected_gas_limit,
+    second_gas_limit = intrinsic_gas + delta
+    assert second_gas_limit < gas_limit_cap
+    error = TransactionException.GAS_ALLOWANCE_EXCEEDED if delta else None
+    second = pre.deploy_contract(code=Op.STOP)
+    second_tx = Transaction(
+        to=second,
+        gas_limit=second_gas_limit,
         sender=pre.fund_eoa(),
-        error=TransactionException.GAS_ALLOWANCE_EXCEEDED,
+        error=error,
     )
 
     blockchain_test(
@@ -519,9 +534,9 @@ def test_tx_rejected_when_regular_gas_exceeds_block_limit_small(
         pre=pre,
         blocks=[
             Block(
-                txs=[filler_tx, rejected_tx],
+                txs=[filler_tx, second_tx],
                 gas_limit=block_gas_limit,
-                exception=TransactionException.GAS_ALLOWANCE_EXCEEDED,
+                exception=error,
             )
         ],
         post={},
diff --git a/tests/amsterdam/eip8037_state_creation_gas_cost_increase/test_state_gas_create.py b/tests/amsterdam/eip8037_state_creation_gas_cost_increase/test_state_gas_create.py
index 8db97ffb032..3f7152ae731 100644
--- a/tests/amsterdam/eip8037_state_creation_gas_cost_increase/test_state_gas_create.py
+++ b/tests/amsterdam/eip8037_state_creation_gas_cost_increase/test_state_gas_create.py
@@ -1845,15 +1845,16 @@ def test_create_code_deposit_oog_refunds_state_gas(
 )
 @pytest.mark.valid_from("EIP8037")
 def test_failed_create_tx_refunds_intrinsic_new_account(
-    blockchain_test: BlockchainTestFiller,
+    state_test: StateTestFiller,
     pre: Alloc,
     fork: Fork,
     init_code: Bytecode,
 ) -> None:
     """
     Verify the NEW_ACCOUNT × CPSB portion of intrinsic_state_gas is
-    refunded on creation-tx revert/halt, so block state-gas excludes
-    it and header gas_used reflects only the regular component.
+    refunded on creation-tx revert/halt. Block state-gas excludes it
+    so header gas_used reflects only the regular component, and the
+    sender's receipt reflects the same refund via cumulative_gas_used.
     """
     intrinsic_calc = fork.transaction_intrinsic_cost_calculator()
     create_state_gas = fork.create_state_gas(code_size=0)
@@ -1870,23 +1871,23 @@ def test_failed_create_tx_refunds_intrinsic_new_account(
         regular_consumed = init_code.regular_cost(fork)
 
     expected_gas_used = intrinsic_regular + regular_consumed
+    expected_cumulative = intrinsic_total + regular_consumed - create_state_gas
 
     tx = Transaction(
         to=None,
         data=init_code,
         gas_limit=gas_limit,
         sender=pre.fund_eoa(),
+        expected_receipt=TransactionReceipt(
+            cumulative_gas_used=expected_cumulative,
+        ),
     )
 
-    blockchain_test(
+    state_test(
         pre=pre,
-        blocks=[
-            Block(
-                txs=[tx],
-                header_verify=Header(gas_used=expected_gas_used),
-            ),
-        ],
         post={},
+        tx=tx,
+        blockchain_test_header_verify=Header(gas_used=expected_gas_used),
     )