Fixes test to work with session fixtures

Test were running fine standalone but failing / having Address reuse issues when running all together. Fixing that.

test/unit/test_inspector.py

@@ -1,14 +1,10 @@
-import time
-import pytest
 from os import urandom
-from threading import Thread
 
 from pisa import logging
 from pisa.errors import *
 from pisa.inspector import Inspector
 from pisa.appointment import Appointment
 from pisa.block_processor import BlockProcessor
-from test.simulator.bitcoind_sim import run_simulator
 from pisa.conf import MIN_DISPUTE_DELTA, SUPPORTED_CIPHERS, SUPPORTED_HASH_FUNCTIONS
 
 inspector = Inspector()
@@ -21,16 +17,6 @@ WRONG_TYPES_NO_STR = [[], urandom(32), 3.2, 2.0, (), object, {}, object()]
 logging.getLogger().disabled = True
 
 
-@pytest.fixture(autouse=True, scope='session')
-def run_bitcoind():
-    bitcoind_thread = Thread(target=run_simulator)
-    bitcoind_thread.daemon = True
-    bitcoind_thread.start()
-
-    # It takes a little bit of time to start the simulator (otherwise the requests are sent too early and they fail)
-    time.sleep(0.1)
-
-
 def test_check_locator():
     # Right appointment type, size and format
     locator = urandom(32).hex()