Reduce GCEngine strategy period value for tests

As of Parsl PR Parsl/parsl#3283, the initial
HTEX block scale out occurs on the first strategy poll, not at HTEX
start. Thus, our tests should use a small strategy period to speed them
up and avoid timeouts.

compute_endpoint/tests/conftest.py

@@ -124,6 +124,7 @@ def _runner(engine_type: t.Type[GlobusComputeEngineBase], **kwargs):
                 address="127.0.0.1",
                 heartbeat_period=engine_heartbeat,
                 heartbeat_threshold=2,
+                job_status_kwargs=dict(max_idletime=0, strategy_period=0.1),
             )
         else:
             raise NotImplementedError(f"Unimplemented: {engine_type.__name__}")