Tweak name of test

Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>

src/behaviours/tray/clicking-tray-menu-item-originating-from-extension.test.ts

@@ -84,7 +84,7 @@ describe("clicking tray menu item originating from extension", () => {
       });
     });
 
-    describe("when disabling extension", () => {
+    describe("when extension is disabled", () => {
       beforeEach(() => {
         applicationBuilder.extensions.main.disable(someExtension);
       });