Fix test import name

Author: DiamondJoseph

tests/unit_tests/worker/test_task_worker.py

@@ -91,7 +91,9 @@ def context(fake_device: FakeDevice, second_fake_device: FakeDevice) -> BlueskyC
     ctx = BlueskyContext()
     ctx_config = EnvironmentConfig()
     ctx_config.sources.append(
-        Source(kind=SourceKind.DEVICE_FUNCTIONS, module="devices")
+        Source(
+            kind=SourceKind.DEVICE_FUNCTIONS, module="tests.unit_tests.worker.devices"
+        )
     )
     ctx.register_plan(failing_plan)
     ctx.register_device(fake_device)
@@ -105,7 +107,9 @@ def context_without_devices() -> BlueskyContext:
     ctx = BlueskyContext()
     ctx_config = EnvironmentConfig()
     ctx_config.sources.append(
-        Source(kind=SourceKind.DEVICE_FUNCTIONS, module="devices")
+        Source(
+            kind=SourceKind.DEVICE_FUNCTIONS, module="tests.unit_tests.worker.devices"
+        )
     )
     ctx.with_config(ctx_config)
     return ctx