117     let prefix = 'test/utils/';  variable
119     assert.strictEqual(FileUtils.getPrefix(path), prefix);
124     let prefix = 'D:\\HuaweiApp\\ohsdk\\ets\\3.2.7.5\\';  variable
126     assert.strictEqual(FileUtils.getPrefix(path), prefix);
131     let prefix = undefined;  variable
133     assert.strictEqual(FileUtils.getPrefix(path), prefix);
139     let prefix = 'D:\\HuaweiApp';  variable
141     assert.strictEqual(FileUtils.getPathWithoutPrefix(path, prefix), path);
146     let prefix = 'D:\\HuaweiApp';  variable
148     assert.strictEqual(FileUtils.getPathWithoutPrefix(path, prefix), '\\ohsdk\\ets\\3.2.7.5');
153     let prefix = 'D:\\HuaweiApp\\ohsdk\\ets\\3.2.7.5';  variable
155     assert.strictEqual(FileUtils.getPathWithoutPrefix(path, prefix), '');