     test "active" do
       add_to_application_env(:active, false)
       assert valid_configuration |> Map.put(:active, false) == init_config
+      assert "false" == System.get_env("APPSIGNAL_ACTIVE")
     end
 
     test "name" do
       add_to_application_env(:name, :my_application)
       assert valid_configuration |> Map.put(:name, :my_application) == init_config
+      assert "my_application" == System.get_env("APPSIGNAL_APP_NAME")
     end
 
     test "debug" do
       add_to_application_env(:debug, true)
       assert valid_configuration |> Map.put(:debug, true) == init_config
+      assert "true" == System.get_env("APPSIGNAL_DEBUG_LOGGING")
     end
 
     test "filter_parameters" do

    test "log_path" do
      add_to_application_env(:log_path, "log/appsignal.log")
      assert valid_configuration |> Map.put(:log_path, "log/appsignal.log") == init_config
    end

    test "endpoint" do
      add_to_application_env(:endpoint, "https://push.staging.lol")
      assert valid_configuration |> Map.put(:endpoint, "https://push.staging.lol") == init_config
    end

    test "running_in_container" do
      add_to_application_env(:running_in_container, true)
      assert valid_configuration |> Map.put(:running_in_container, true) == init_config
    end

    test "send_params" do

    test "working_dir_path" do
      add_to_application_env(:working_dir_path, "/tmp/appsignal")
      assert valid_configuration |> Map.put(:working_dir_path, "/tmp/appsignal") == init_config
      assert "/tmp/appsignal" == System.get_env("APPSIGNAL_WORKING_DIR_PATH")
    end

    test "revision" do
      add_to_application_env(:revision, "03bd9e")
      assert valid_configuration |> Map.put(:revision, "03bd9e") == init_config
      assert "03bd9e" == System.get_env("APP_REVISION")
    end
  end

