diff --git a/tests/conftest.py b/tests/conftest.py
index 316c083..9248606 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -27,6 +27,8 @@ def adapter_metrics():
         "cratedb_prometheus_adapter_read_timeseries_samples_count",
         "cratedb_prometheus_adapter_write_crate_failed_total",
         "cratedb_prometheus_adapter_write_crate_latency_seconds_bucket",
+        "cratedb_prometheus_adapter_write_crate_latency_seconds_sum",
+        "cratedb_prometheus_adapter_write_crate_latency_seconds_count",
         "cratedb_prometheus_adapter_write_failed_total",
         "cratedb_prometheus_adapter_write_latency_seconds_bucket",
         "cratedb_prometheus_adapter_write_latency_seconds_sum",