Fix documents before running tests (#165)

* Fix documents before running tests

* Update elixir-ls

* Update elixir-ls

* Update elixir-ls

* fix formatting

Author: Étienne Lévesque

src/commands/runTestFromCodeLens.ts

@@ -8,10 +8,24 @@ type RunArgs = {
   module?: string;
 };
 
-export default function runFromCodeLens(args: RunArgs): void {
+export default async function runFromCodeLens(args: RunArgs): Promise<void> {
+  const { activeTextEditor, terminals, createTerminal } = window;
+
+  if (!activeTextEditor) {
+    return;
+  }
+
+  if (activeTextEditor.document.isDirty) {
+    const saved = await activeTextEditor.document.save();
+
+    if (!saved) {
+      return;
+    }
+  }
+
   const elixirLsTerminal =
-    window.terminals.find((terminal) => terminal.name == "ElixirLS") ||
-    window.createTerminal("ElixirLS");
+    terminals.find((terminal) => terminal.name == "ElixirLS") ||
+    createTerminal("ElixirLS");
 
   elixirLsTerminal.show();
   elixirLsTerminal.sendText("clear");