Fix tests

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

lib/eventos/addresses/addresses.ex

@@ -126,7 +126,7 @@ defmodule Eventos.Addresses do
     if Enum.member?(@geom_types, type) do
       case type do
         :point ->
-          {:ok, %Geo.Point{coordinates: {data["latitude"], data["longitude"]}, srid: 4326}}
+          process_point(data["latitude"], data["longitude"])
       end
     else
       {:error, nil}
@@ -137,4 +137,13 @@ defmodule Eventos.Addresses do
   def process_geom(nil) do
     {:error, nil}
   end
+
+  @spec process_point(number(), number()) :: tuple()
+  defp process_point(latitude, longitude) when is_number(latitude) and is_number(longitude) do
+    {:ok, %Geo.Point{coordinates: {latitude, longitude}, srid: 4326}}
+  end
+
+  defp process_point(_, _) do
+    {:error, "Latitude and longitude must be numbers"}
+  end
 end