Updates tests to use ChainMonitor as global fixture

test/pisa/unit/conftest.py

@@ -15,6 +15,7 @@ from pisa.responder import TransactionTracker
 from pisa.watcher import Watcher
 from pisa.tools import bitcoin_cli
 from pisa.db_manager import DBManager
+from pisa.chain_monitor import ChainMonitor
 from common.appointment import Appointment
 
 from bitcoind_mock.utils import sha256d
@@ -50,6 +51,17 @@ def db_manager():
     rmtree("test_db")
 
 
+@pytest.fixture(scope="module")
+def chain_monitor():
+    chain_monitor = ChainMonitor()
+    chain_monitor.monitor_chain()
+
+    yield chain_monitor
+
+    chain_monitor.terminate = True
+    generate_block()
+
+
 def generate_keypair():
     client_sk = ec.generate_private_key(ec.SECP256K1, default_backend())
     client_pk = client_sk.public_key()