add range mode

test/support/fixtures/activity_log_fixtures.ex

@@ -0,0 +1,22 @@
+defmodule Cannery.ActivityLogFixtures do
+  @moduledoc """
+  This module defines test helpers for creating
+  entities via the `Cannery.ActivityLog` context.
+  """
+
+  @doc """
+  Generate a shot_group.
+  """
+  def shot_group_fixture(attrs \\ %{}) do
+    {:ok, shot_group} =
+      attrs
+      |> Enum.into(%{
+        count: 42,
+        date: ~N[2022-02-13 03:17:00],
+        notes: "some notes"
+      })
+      |> Cannery.ActivityLog.create_shot_group()
+
+    shot_group
+  end
+end