Modifies e2e tests so pisad can be run and stop from there

test/pisa/e2e/conftest.py

@@ -1,8 +1,10 @@
 import pytest
 import random
+from multiprocessing import Process
 from decimal import Decimal, getcontext
 
 import pisa.conf as conf
+from pisa.pisad import main
 from pisa.utils.auth_proxy import AuthServiceProxy
 
 getcontext().prec = 10
@@ -48,6 +50,13 @@ def create_txs(bitcoin_cli):
     return signed_commitment_tx, signed_penalty_tx
 
 
+def run_pisad():
+    pisad_process = Process(target=main, daemon=True)
+    pisad_process.start()
+
+    return pisad_process
+
+
 def get_random_value_hex(nbytes):
     pseudo_random_value = random.getrandbits(8 * nbytes)
     prv_hex = "{:x}".format(pseudo_random_value)