public function mountFilesystem($prefix, FilesystemInterface $filesystem);
/** * @dataProvider filesystemManagerProvider */ public function testApiGetFilesystem_ReturnsFilesystem_WhenFsExists(FilesystemManagerInterface $fs) { $prefix = 'prefix'; $mock = $this->createFilesystemMock(); $fs->mountFilesystem($prefix, $mock); $this->assertSame($mock, $fs->getFilesystem($prefix)); }