Neos\Flow\Tests\Unit\Package\PackageManagerTest::freezePackageEmitsPackageStatesUpdatedSignal PHP Method

    public function freezePackageEmitsPackageStatesUpdatedSignal()
    {
        $this->mockApplicationContext->expects($this->atLeastOnce())->method('isDevelopment')->will($this->returnValue(true));
        $this->packageManager->createPackage('Some.Package', ['name' => 'some/package']);
        $this->mockDispatcher->expects($this->once())->method('dispatch')->with(PackageManager::class, 'packageStatesUpdated');
        $this->packageManager->freezePackage('Some.Package');
    }