Add flaky decorator to geth estimate_gas (ethereum#2418)

* Add flaky decorator to geth gas estimation tests

* Add newsfragment

Author: kclowes

newsfragments/2418.misc.rst

@@ -0,0 +1 @@
+Add flaky decorator to Geth gas estimation tests.

tests/integration/go_ethereum/common.py

@@ -1,4 +1,14 @@
 import pytest
+from typing import (
+    TYPE_CHECKING,
+)
+
+from eth_typing import (
+    ChecksumAddress,
+)
+from flaky import (
+    flaky,
+)
 
 from web3._utils.module_testing import (  # noqa: F401
     AsyncEthModuleTest,
@@ -13,6 +23,11 @@
     Web3ModuleTest,
 )
 
+if TYPE_CHECKING:
+    from web3 import (  # noqa: F401
+        Web3,
+    )
+
 
 class GoEthereumTest(Web3ModuleTest):
     def _check_web3_clientVersion(self, client_version):
@@ -40,6 +55,24 @@ def test_eth_protocol_version(self, w3):
     def test_eth_protocolVersion(self, w3):
         super().test_eth_protocolVersion(w3)
 
+    @flaky(max_runs=3)
+    def test_eth_estimate_gas(
+        self, w3: "Web3", unlocked_account_dual_type: ChecksumAddress
+    ) -> None:
+        super().test_eth_estimate_gas(w3, unlocked_account_dual_type)
+
+    @flaky(max_runs=3)
+    def test_eth_estimateGas_deprecated(
+        self, w3: "Web3", unlocked_account_dual_type: ChecksumAddress
+    ) -> None:
+        super().test_eth_estimateGas_deprecated(w3, unlocked_account_dual_type)
+
+    @flaky(max_runs=3)
+    def test_eth_estimate_gas_with_block(
+        self, w3: "Web3", unlocked_account_dual_type: ChecksumAddress
+    ) -> None:
+        super().test_eth_estimate_gas_with_block(w3, unlocked_account_dual_type)
+
 
 class GoEthereumVersionModuleTest(VersionModuleTest):
     @pytest.mark.xfail(reason='eth_protocolVersion was removed in Geth 1.10.0')