Add Gleam (#67)

test-projects/elixir_mix/test/test_helper.exs

@@ -0,0 +1 @@
+ExUnit.start()

test-projects/elixir_mix/test/test_test.exs

@@ -0,0 +1,13 @@
+defmodule TestTest do
+  use ExUnit.Case
+  doctest Test
+
+  test "greets the world" do
+    out = Logfmt.encode(foo: "bar")
+    assert out == "foo=bar"
+  end
+
+  test "ensures ssl" do
+    assert {:ok, _} = Application.ensure_all_started(:ssl)
+  end
+end