Moves start api to test_api since it was the only place where it's used

test/unit/conftest.py

@@ -8,9 +8,7 @@ from hashlib import sha256
 from binascii import unhexlify
 
 from apps.cli.blob import Blob
-from pisa.api import start_api
 from pisa.responder import Job
-from pisa.watcher import Watcher
 from pisa.tools import bitcoin_cli
 from pisa.db_manager import DBManager
 from pisa.appointment import Appointment
@@ -29,18 +27,6 @@ def run_bitcoind():
     sleep(0.1)
 
 
-@pytest.fixture(scope="session")
-def run_api(db_manager):
-    watcher = Watcher(db_manager)
-
-    api_thread = Thread(target=start_api, args=[watcher])
-    api_thread.daemon = True
-    api_thread.start()
-
-    # It takes a little bit of time to start the API (otherwise the requests are sent too early and they fail)
-    sleep(0.1)
-
-
 @pytest.fixture(scope="session", autouse=True)
 def prng_seed():
     random.seed(0)