add steps

test/support/fixtures/steps_fixtures.ex

@@ -0,0 +1,22 @@
+defmodule Memex.StepsFixtures do
+  @moduledoc """
+  This module defines test helpers for creating
+  entities via the `Memex.Steps` context.
+  """
+
+  @doc """
+  Generate a step.
+  """
+  def step_fixture(attrs \\ %{}) do
+    {:ok, step} =
+      attrs
+      |> Enum.into(%{
+        description: "some description",
+        position: 42,
+        title: "some title"
+      })
+      |> Memex.Steps.create_step()
+
+    step
+  end
+end