Mark certain very flaky tests as xfail, strict=False

Author: fselmo

web3/_utils/module_testing/eth_module.py

@@ -2358,7 +2358,9 @@ async def test_async_eth_replace_transaction_gas_price_too_low(
         with pytest.raises(Web3ValueError):
             await async_w3.eth.replace_transaction(txn_hash, txn_params)
 
-    @flaky_geth_dev_mining
+    @pytest.mark.xfail(
+        reason="Very flaky on CI runs, hard to reproduce locally", strict=False
+    )
     @pytest.mark.asyncio
     async def test_async_eth_replace_transaction_gas_price_defaulting_minimum(
         self, async_w3: "AsyncWeb3", async_keyfile_account_address: ChecksumAddress
@@ -2382,7 +2384,9 @@ async def test_async_eth_replace_transaction_gas_price_defaulting_minimum(
             gas_price * 1.125
         )  # minimum gas price
 
-    @flaky_geth_dev_mining
+    @pytest.mark.xfail(
+        reason="Very flaky on CI runs, hard to reproduce locally", strict=False
+    )
     @pytest.mark.asyncio
     async def test_async_eth_replace_transaction_gas_price_defaulting_strategy_higher(
         self, async_w3: "AsyncWeb3", async_keyfile_account_address: ChecksumAddress
@@ -2411,7 +2415,9 @@ def higher_gas_price_strategy(async_w3: "AsyncWeb3", txn: TxParams) -> Wei:
         )  # Strategy provides higher gas price
         async_w3.eth.set_gas_price_strategy(None)  # reset strategy
 
-    @flaky_geth_dev_mining
+    @pytest.mark.xfail(
+        reason="Very flaky on CI runs, hard to reproduce locally", strict=False
+    )
     @pytest.mark.asyncio
     async def test_async_eth_replace_transaction_gas_price_defaulting_strategy_lower(
         self, async_w3: "AsyncWeb3", async_keyfile_account_address: ChecksumAddress