fix tests with optional dashboard dep

Author: griffinmilsap

tests/test_dashboard_commands.py

@@ -95,6 +95,10 @@ async def fake_close_stream_writer(writer):
         return None
 
     monkeypatch.setattr("ezmsg.core.commands.start.subprocess.Popen", DummyPopen)
+    monkeypatch.setattr(
+        "ezmsg.core.commands.start.require_dashboard_dependency",
+        lambda: object(),
+    )
     monkeypatch.setattr(
         "ezmsg.core.commands.start.GraphService.open_connection", fake_open_connection
     )
@@ -133,6 +137,10 @@ async def fake_close_stream_writer(writer):
         return None
 
     monkeypatch.setattr("ezmsg.core.commands.start.subprocess.Popen", DummyPopen)
+    monkeypatch.setattr(
+        "ezmsg.core.commands.start.require_dashboard_dependency",
+        lambda: object(),
+    )
     monkeypatch.setattr(
         "ezmsg.core.commands.start.GraphService.open_connection", fake_open_connection
     )