add test placeholder for db

pkg/db/db_test.go

@@ -0,0 +1,18 @@
+package db
+
+import "testing"
+
+func TestDb(t *testing.T) {
+	t.Run("db package test placeholder", func(t *testing.T) {
+		request := 1
+		response := 1
+
+		got := request
+		want := response
+
+		if got != want {
+			t.Errorf("got %q, want %q", got, want)
+		}
+
+	})
+}