Simplify initial tests

tests/integration/conftest.py

@@ -10,8 +10,6 @@
 import docker
 import pytest
 
-from jobflow_remote.jobs.daemon import DaemonManager
-
 
 def _get_free_port():
     sock = socket.socket()
@@ -224,21 +222,8 @@ def daemon_manager():
     yield DaemonManager()
 
 
-@pytest.fixture(scope="function")
+@pytest.fixture(scope="session")
 def runner(daemon_manager):
-    yield daemon_manager.start()
-    daemon_manager.stop()
-
 
-@pytest.fixture(scope="function")
-def new_runner():
-    """This fixture yields the start function of a runner,
-    not the running runner itself, so it can be used to
-    start multiple runners in parallel.
-    """
-    dm = DaemonManager()
-    yield dm.start
-    try:
-        dm.stop()
-    except Exception:
-        pass
+    yield daemon_manager.start(raise_on_error=True)
+    daemon_manager.stop(raise_on_error=True)

tests/integration/test_slurm.py

@@ -27,14 +27,12 @@ def test_submit_flow(runner):
     submit_flow(flow)
 
 
-def test_submit_flow_with_dependencies(new_runner):
+def test_submit_flow_with_dependencies(runner):
     from jobflow import Flow
 
     from jobflow_remote import submit_flow
     from jobflow_remote.testing import add
 
-    [new_runner() for _ in range(4)]
-
     add_parent_1 = add(1, 1)
     add_parent_2 = add(2, 2)
     add_children = add(add_parent_1.output, add_parent_2.output)