diff --git a/tests/conftest.py b/tests/conftest.py
index 3a0afba2..c783256f 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -206,13 +206,13 @@ async def _open_test_pikerd_and_ems(
 @pytest.fixture
 def open_test_pikerd_and_ems(
     open_test_pikerd,
-    fqsn: str = 'xbtusdt.kraken',
+    fqme: str = 'xbtusdt.kraken',
     mode: str = 'paper',
     loglevel: str = 'info',
 ):
     yield partial(
         _open_test_pikerd_and_ems,
-        fqsn,
+        fqme,
         mode,
         loglevel,
         open_test_pikerd
diff --git a/tests/test_services.py b/tests/test_services.py
index 29e613e3..082f629f 100644
--- a/tests/test_services.py
+++ b/tests/test_services.py
@@ -24,7 +24,7 @@ from piker.clearing._messages import (
     Status,
 )
 from piker.clearing._client import (
-    OrderBook,
+    OrderClient,
 )
 
 
@@ -121,7 +121,7 @@ def test_ensure_ems_in_paper_actors(
     async def main():
 
         # type declares
-        book: OrderBook
+        book: OrderClient
         trades_stream: tractor.MsgStream
         pps: dict[str, list[BrokerdPosition]]
         accounts: list[str]