add small test

test/scout_apm/instruments_ecto_logger_test.exs

@@ -0,0 +1,27 @@
+defmodule ScoutApm.Instruments.EctoLoggerTest do
+  use ExUnit.Case, async: false
+
+  describe "record/1" do
+    test "successfully records query" do
+      entry = %{
+        decode_time: 16000,
+        query_time: 1192999,
+        queue_time: 36000,
+        result: {:ok, %{__struct__: Postgrex.Result, command: :select}},
+        source: "users",
+        query: "SELECT u0.\"id\", u0.\"name\", u0.\"age\" FROM \"users\" AS u0",
+      }
+
+      ScoutApm.TrackedRequest.start_layer("Controller", "test")
+      ScoutApm.Instruments.EctoLogger.record(entry)
+      assert %{
+        children: [[
+          %{
+            name: "select#users",
+            type: "Ecto",
+          }
+        ]]
+      } = Process.get(:scout_apm_request)
+    end
+  end
+end