Add a test (should cause lcov to work, I think?)

test/transit_data/glides_report/util_text.exs

@@ -0,0 +1,23 @@
+defmodule TransitData.GlidesReport.UtilTest do
+    use ExUnit.Case, async: true
+
+    alias TransitData.GlidesReport.Util
+
+    describe "stream_values/1" do
+      setup do
+        table = :ets.new(TransitData.GlidesReport.UtilTest.Table)
+        on_exit(fn -> :ets.delete(table) end)
+
+        %{table: table}
+      end
+
+      test "streams values from a table", %{table: table} do
+        objects = [a: 1, b: 2, c: 3, d: 4]
+        :ets.insert(table, objects)
+
+        from_stream = Util.stream_values(table)
+
+        assert Enum.sort(objects) == Enum.sort(from_stream)
+      end
+    end
+end