diff --git a/tests/transport/test_base_provider.py b/tests/transport/test_base_provider.py
index c8f69708..73072bd6 100644
--- a/tests/transport/test_base_provider.py
+++ b/tests/transport/test_base_provider.py
@@ -1,4 +1,4 @@
-from typing import Any
+from typing import Any, List
 
 import pytest
 from schema import Or, Schema
@@ -9,25 +9,27 @@
 class FakeMessageProvider(BaseMessageProvider):
     MAX_MESSAGES_RECEIVE = 1
 
-    def _receive_message(self) -> Any:
-        return {
-            'type': 'deposit',
-            'depositRoot': '0xbc034415ccde0596f39095fd2d99c2fa1e335de3f70b34dcd78e2ab21fa0c5e8',
-            'nonce': 16,
-            'blockNumber': 5737984,
-            'blockHash': '0x432e218931e9b94f0702ecb1b0d084c467a86b384767ce38c4fe164463070532',
-            'guardianAddress': '0x43464Fe06c18848a2E2e913194D64c1970f4326a',
-            'guardianIndex': 8,
-            'signature': {
-                'r': '0xc2235eb6983f80d19158f807d5d90d93abec52034ea7184bbf164ba211f00116',
-                's': '0x75354ffc9fb6e7a4b4c01c622661a1d0382ace8c4ff8024626e39ac1a6a613d0',
-                '_vs': '0x75354ffc9fb6e7a4b4c01c622661a1d0382ace8c4ff8024626e39ac1a6a613d0',
-                'recoveryParam': 0,
-                'v': 27,
-            },
-            'app': {'version': '1.0.3', 'name': 'lido-council-daemon'},
-            'stakingModuleId': 2,
-        }
+    def _fetch_messages(self) -> List[Any]:
+        return [
+            {
+                'type': 'deposit',
+                'depositRoot': '0xbc034415ccde0596f39095fd2d99c2fa1e335de3f70b34dcd78e2ab21fa0c5e8',
+                'nonce': 16,
+                'blockNumber': 5737984,
+                'blockHash': '0x432e218931e9b94f0702ecb1b0d084c467a86b384767ce38c4fe164463070532',
+                'guardianAddress': '0x43464Fe06c18848a2E2e913194D64c1970f4326a',
+                'guardianIndex': 8,
+                'signature': {
+                    'r': '0xc2235eb6983f80d19158f807d5d90d93abec52034ea7184bbf164ba211f00116',
+                    's': '0x75354ffc9fb6e7a4b4c01c622661a1d0382ace8c4ff8024626e39ac1a6a613d0',
+                    '_vs': '0x75354ffc9fb6e7a4b4c01c622661a1d0382ace8c4ff8024626e39ac1a6a613d0',
+                    'recoveryParam': 0,
+                    'v': 27,
+                },
+                'app': {'version': '1.0.3', 'name': 'lido-council-daemon'},
+                'stakingModuleId': 2,
+            }
+        ]
 
 
 @pytest.mark.unit