test: cut low-value tests, rewrite the rest around behavior, parallelize lanes (#285)

src/core/services/mpv-control.test.ts

@@ -1,12 +1,6 @@
 import test from 'node:test';
 import assert from 'node:assert/strict';
-import {
-  playNextSubtitleRuntime,
-  replayCurrentSubtitleRuntime,
-  sendMpvCommandRuntime,
-  setMpvSubVisibilityRuntime,
-  showMpvOsdRuntime,
-} from './mpv';
+import { showMpvOsdRuntime } from './mpv';
 
 test('showMpvOsdRuntime sends show-text when connected', () => {
   const commands: (string | number)[][] = [];
@@ -55,29 +49,3 @@ test('showMpvOsdRuntime logs fallback when disconnected', () => {
   assert.equal(shown, false);
   assert.deepEqual(logs, ['OSD (MPV not connected): hello']);
 });
-
-test('mpv runtime command wrappers call expected client methods', () => {
-  const calls: string[] = [];
-  const client = {
-    connected: true,
-    send: ({ command }: { command: (string | number)[] }) => {
-      calls.push(`send:${command.join(',')}`);
-    },
-    replayCurrentSubtitle: () => {
-      calls.push('replay');
-    },
-    playNextSubtitle: () => {
-      calls.push('next');
-    },
-    setSubVisibility: (visible: boolean) => {
-      calls.push(`subVisible:${visible}`);
-    },
-  };
-
-  replayCurrentSubtitleRuntime(client);
-  playNextSubtitleRuntime(client);
-  sendMpvCommandRuntime(client, ['script-message', 'x']);
-  setMpvSubVisibilityRuntime(client, false);
-
-  assert.deepEqual(calls, ['replay', 'next', 'send:script-message,x', 'subVisible:false']);
-});