makePluginLifecycleService example

    public function testActivate(): void
    {
        $inactive = $this->getInstalledInactivePlugin();
        $this->insertPlugin($inactive);

        $loader = new DbalKernelPluginLoader($this->classLoader, null, $this->connection);
        $this->kernel = $this->makeKernel($loader);
        $this->kernel->boot();

        $lifecycleService = $this->makePluginLifecycleService();
        $lifecycleService->activatePlugin($inactive, Context::createDefaultContext());

        /** @var SwagTest $swagTestPlugin */
        $swagTestPlugin = $this->kernel->getPluginLoader()->getPluginInstances()->get($inactive->getBaseClass());
        static::assertNotNull($swagTestPlugin);

        // autowired         static::assertInstanceOf(SystemConfigService::class, $swagTestPlugin->systemConfig);

        // manually set         static::assertSame($this->kernel->getContainer()->get('category.repository'), $swagTestPlugin->categoryRepository);