Problem: Fixtures weren't as deep in the directory structure as possible

Solution: Moved them down a level

tests/upsert_validator/conftest.py

@@ -7,6 +7,34 @@ import pytest
 from bigchaindb.upsert_validator import ValidatorElection
 
 
+@pytest.fixture
+def b_mock(b, network_validators):
+    b.get_validators = mock_get_validators(network_validators)
+
+    return b
+
+
+def mock_get_validators(network_validators):
+    def validator_set(height):
+        validators = []
+        for public_key, power in network_validators.items():
+            validators.append({
+                'pub_key': {'type': 'AC26791624DE60', 'data': public_key},
+                'voting_power': power
+            })
+        return validators
+
+    return validator_set
+
+
+@pytest.fixture
+def valid_election(b_mock, node_key, new_validator):
+    voters = ValidatorElection.recipients(b_mock)
+    return ValidatorElection.generate([node_key.public_key],
+                                      voters,
+                                      new_validator, None).sign([node_key.private_key])
+
+
 @pytest.fixture
 def valid_election_b(b, node_key, new_validator):
     voters = ValidatorElection.recipients(b)