Remove start/stop fixture commands + reuse flag on test

steth.py

@@ -10,33 +10,16 @@
 from lib.runner import run_test_files, all_test_files, file_matches_filter
 from lib.logging_tests import all_logging_test_files
 
-
-def run_start_fixture_cmd(args):
-    client = args.client
-
-    fixtures = extract_fixtures([client])
-
-    for fixture in fixtures:
-        setup_fixture(fixture)
-
-
-def run_stop_fixture_cmd(args):
-    for client in SUPPORTED_CLIENTS:
-        stop_instance(client)
-
-
 def run_test_cmd(args):
     clients = SUPPORTED_CLIENTS if args.client is None else [args.client]
 
-    reuse_clients = args.reuse
     file_filter = args.only
 
     test_files = [file for file in all_test_files() if file_matches_filter(file, file_filter)]
     fixtures = extract_fixtures(clients)
     failed = False
     for fixture in fixtures:
-        if not reuse_clients:
-            setup_fixture(fixture)
+        setup_fixture(fixture)
 
         try:
             return_code = run_test_files(fixture.name, test_files, DEFAULT_ARGS)
@@ -48,8 +31,7 @@ def run_test_cmd(args):
             failed = True
 
         finally:
-            if not reuse_clients:
-                teardown_fixture(fixture)
+            teardown_fixture(fixture)
     if failed:
         exit(1)
 
@@ -70,22 +52,10 @@ def run_logging_test(args):
     steth = argparse.ArgumentParser(description='Stethoscope tool for running multi-client Eth2 scenarios')
     steth_sub = steth.add_subparsers()
 
-    fixture = steth_sub.add_parser('fixture', help='Manage fixtures of client instances')
-    fixture_sub = fixture.add_subparsers()
-
-    start = fixture_sub.add_parser('start')
-    start.add_argument(
-        'client', help=f'client to start. can only start 1 at a time until dynamic ENRs implemented. possible values: {SUPPORTED_CLIENTS}')
-    start.set_defaults(func=run_start_fixture_cmd)
-
-    stop = fixture_sub.add_parser('stop')
-    stop.set_defaults(func=run_stop_fixture_cmd)
-
     test = steth_sub.add_parser('test', help='Run stethoscope unit tests')
     test.add_argument('-c', '--client',
                       help=f'run test(s) for a specific client. possible values: {SUPPORTED_CLIENTS}')
     test.add_argument('-o', '--only', help='run specific tests by name')
-    test.add_argument('-r', '--reuse', default=False, action='store_true', help='reuse running fixtures')
     test.set_defaults(func=run_test_cmd)
 
     test = steth_sub.add_parser('logging_test', help='Display example logs from ./steth.py test. Useful for testing CI integration')