diff --git a/transport/http/client_test.go b/transport/http/client_test.go
index 25ae9a8ec..ab3e83b66 100644
--- a/transport/http/client_test.go
+++ b/transport/http/client_test.go
@@ -42,6 +42,15 @@ func (x *mockCallOption) after(_ *callInfo, _ *csAttempt) {
 	log.Println("run in mockCallOption.after")
 }
 
+func TestWithSubset(t *testing.T) {
+	co := &clientOptions{}
+	o := WithSubset(1)
+	o(co)
+	if co.subsetSize != 1 {
+		t.Error("expected subset size to be 1")
+	}
+}
+
 func TestWithTransport(t *testing.T) {
 	ov := &mockRoundTripper{}
 	o := WithTransport(ov)
@@ -71,10 +80,6 @@ func TestWithBlock(t *testing.T) {
 	}
 }
 
-func TestWithBalancer(_ *testing.T) {
-	// TODO
-}
-
 func TestWithTLSConfig(t *testing.T) {
 	ov := &tls.Config{}
 	o := WithTLSConfig(ov)
diff --git a/transport/http/server_test.go b/transport/http/server_test.go
index 781c06a71..06e7b8393 100644
--- a/transport/http/server_test.go
+++ b/transport/http/server_test.go
@@ -308,10 +308,6 @@ func TestTimeout(t *testing.T) {
 	}
 }
 
-func TestLogger(_ *testing.T) {
-	// TODO
-}
-
 func TestRequestDecoder(t *testing.T) {
 	o := &Server{}
 	v := func(*http.Request, interface{}) error { return nil }