Use "Southbound" for Red Line non revenue trains

lib/content/audio/passthrough.ex

@@ -56,8 +56,7 @@ defmodule Content.Audio.Passthrough do
 
     @spec destination_var(PaEss.destination(), String.t()) :: String.t() | nil
     defp destination_var(:alewife, _route_id), do: "32114"
-    defp destination_var(:ashmont, "Red"), do: "32117"
-    defp destination_var(:braintree, _route_id), do: "32118"
+    defp destination_var(:southbound, "Red"), do: "891"
     defp destination_var(:bowdoin, _route_id), do: "32111"
     defp destination_var(:wonderland, _route_id), do: "32110"
     defp destination_var(:forest_hills, _route_id), do: "32113"

lib/signs/utilities/predictions.ex

@@ -68,9 +68,9 @@ defmodule Signs.Utilities.Predictions do
     |> Enum.sort_by(fn prediction -> prediction.seconds_until_passthrough end)
     |> Enum.flat_map(fn prediction ->
       destination =
-        case Content.Utilities.destination_for_prediction(prediction) do
-          :southbound -> :ashmont
-          destination -> destination
+        case prediction do
+          %{route_id: "Red", direction_id: 0} -> :southbound
+          _ -> Content.Utilities.destination_for_prediction(prediction)
         end
 
       [

test/signs/realtime_test.exs

@@ -175,11 +175,12 @@ defmodule Signs.RealtimeTest do
         ]
       end)
 
-      expect_audios([{:canned, {"103", ["32118"], :audio_visual}}], [
-        {"The next Braintree train does not take customers. Please stand back from the yellow line.",
+      expect_audios([{:canned, {"103", ["891"], :audio_visual}}], [
+        {"The next Southbound train does not take customers. Please stand back from the yellow line.",
          [
-           {"The next Braintree train", "does not take customers.", 3},
-           {"Please stand back from", "the yellow line.", 3}
+           {"The next Southbound", "train does not take", 3},
+           {"customers. Please stand", "back from the yellow", 3},
+           {"line.", "", 3}
          ]}
       ])
 
@@ -196,11 +197,12 @@ defmodule Signs.RealtimeTest do
         [prediction(destination: :alewife, seconds_until_passthrough: 30, trip_id: "124")]
       end)
 
-      expect_audios([{:canned, {"103", ["32118"], :audio_visual}}], [
-        {"The next Braintree train does not take customers. Please stand back from the yellow line.",
+      expect_audios([{:canned, {"103", ["891"], :audio_visual}}], [
+        {"The next Southbound train does not take customers. Please stand back from the yellow line.",
          [
-           {"The next Braintree train", "does not take customers.", 3},
-           {"Please stand back from", "the yellow line.", 3}
+           {"The next Southbound", "train does not take", 3},
+           {"customers. Please stand", "back from the yellow", 3},
+           {"line.", "", 3}
          ]}
       ])
 
@@ -220,11 +222,12 @@ defmodule Signs.RealtimeTest do
         [prediction(destination: :southbound, seconds_until_passthrough: 30)]
       end)
 
-      expect_audios([{:canned, {"103", ["32117"], :audio_visual}}], [
-        {"The next Ashmont train does not take customers. Please stand back from the yellow line.",
+      expect_audios([{:canned, {"103", ["891"], :audio_visual}}], [
+        {"The next Southbound train does not take customers. Please stand back from the yellow line.",
          [
-           {"The next Ashmont train", "does not take customers.", 3},
-           {"Please stand back from", "the yellow line.", 3}
+           {"The next Southbound", "train does not take", 3},
+           {"customers. Please stand", "back from the yellow", 3},
+           {"line.", "", 3}
          ]}
       ])