Fix CI Tests (#1255)

* Fix CowSwap api test

* Add ETHERSCAN_API_KEY condition to tests

gnosis/cowsap/tests/test_cow_swap_api.py

@@ -108,6 +108,7 @@ def test_get_trades(self):
                     "buyToken": "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2",
                     "sellToken": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
                     "txHash": "0x691d1a8ba39c036e841b6e2ed970f9068ac4a27b61955afb852f11019f2ff4d8",
+                    "feePolicies": [],
                 }
             ],
         )

gnosis/eth/tests/clients/test_etherscan_client.py

@@ -1,3 +1,5 @@
+import os
+
 from django.test import TestCase
 
 import pytest
@@ -8,9 +10,18 @@
 
 
 class TestEtherscanClient(TestCase):
+    @classmethod
+    def get_etherscan_api(cls, network: EthereumNetwork):
+        etherscan_api_key_variable_name = "ETHERSCAN_API_KEY"
+        etherscan_api_key = os.environ.get(etherscan_api_key_variable_name)
+        if not etherscan_api_key:
+            pytest.skip(f"{etherscan_api_key_variable_name} needs to be defined")
+
+        return EtherscanClient(network, api_key=etherscan_api_key)
+
     def test_etherscan_get_abi(self):
         try:
-            etherscan_api = EtherscanClient(EthereumNetwork.MAINNET)
+            etherscan_api = self.get_etherscan_api(EthereumNetwork.MAINNET)
             safe_master_copy_abi = sourcify_safe_metadata["output"]["abi"]
             safe_master_copy_address = "0x6851D6fDFAfD08c0295C392436245E5bc78B0185"
             self.assertEqual(
@@ -33,7 +44,7 @@ def test_etherscan_get_abi(self):
     @pytest.mark.xfail(reason="Test might fail due to third-party service issues")
     def test_etherscan_get_abi_zksync(self):
         multisend_address = "0x0dFcccB95225ffB03c6FBB2559B530C2B7C8A912"
-        etherscan_api = EtherscanClient(EthereumNetwork(324))
+        etherscan_api = self.get_etherscan_api(EthereumNetwork(324))
         self.assertEqual(
             etherscan_api.get_contract_abi(multisend_address),
             etherscan_multisend_abi,