remove opentelemetry sdk from dependencies

lib/open_telemetry_decorator/attributes_v2.ex

@@ -44,6 +44,7 @@ defmodule OpenTelemetryDecorator.AttributesV2 do
     |> prefix_name()
   end
 
+  # The error attribute is meaningful in the context of the span, so we don't want to prefix it
   defp prefix_name(:error), do: :error
   defp prefix_name("error"), do: :error
 

mix.exs

@@ -43,7 +43,7 @@ defmodule OpenTelemetryDecorator.MixProject do
       {:excoveralls, "~> 0.18.0", only: :test, runtime: false},
       {:opentelemetry_exporter, "~> 1.4", only: :test},
       {:opentelemetry_api, "~> 1.2"},
-      {:opentelemetry, "~> 1.3", only: :test}
+      {:opentelemetry, "~> 1.3", only: :test, runtime: false}
     ]
   end
 

test/open_telemetry_decorator/attributes_v2_test.exs

@@ -205,7 +205,8 @@ defmodule OpenTelemetryDecorator.AttributesV2Test do
 
     test "doesn't modify keys without underscores" do
       attrs = Attributes.get([_id: 1, name: "asd"], [:_id, :name])
-      assert attrs == [id: 1, name: "asd"]
+      assert Keyword.get(attrs, :id) == 1
+      assert Keyword.get(attrs, :name) == "asd"
     end
   end