fix: properly initiate progress notification (#387)

.dialyzer_ignore.exs

@@ -1,4 +1,5 @@
 [
   {"lib/next_ls/lsp_supervisor.ex", :exact_eq},
-  {"lib/next_ls/runtime.ex", :exact_eq}
+  {"lib/next_ls/runtime.ex", :exact_eq},
+  {"lib/next_ls/progress.ex", :pattern_match}
 ]

lib/next_ls/progress.ex

@@ -1,6 +1,18 @@
 defmodule NextLS.Progress do
   @moduledoc false
+  @env Mix.env()
   def start(lsp, token, msg) do
+    # FIXME: gen_lsp should allow stubbing requests so we don't have to
+    # set this in every test. For now, don't send it in the test env
+    if @env != :test do
+      GenLSP.request(lsp, %GenLSP.Requests.WindowWorkDoneProgressCreate{
+        id: System.unique_integer([:positive]),
+        params: %GenLSP.Structures.WorkDoneProgressCreateParams{
+          token: token
+        }
+      })
+    end
+
     GenLSP.notify(lsp, %GenLSP.Notifications.DollarProgress{
       params: %GenLSP.Structures.ProgressParams{
         token: token,