test: update vitest config

[anlyyao]

🤔 这个 PR 的性质是？

• [x] 测试用例

📝 更新日志

• test: 更新 vitest 配置，修改测试覆盖率报告输出位置为 test/coverage

• test: 移除 test/unit 下无用的测试用例文件

• test: 补充组件 demo 快照

• [x] 本条 PR 不需要纳入 Changelog

[github-actions[bot]]

[github-actions[bot]]

Size Change: 0 B

Total Size: 246 kB

ℹ️ View Unchanged

| Filename | Size | | :--- | :---: | | `./dist/tdesign.css` | 23.5 kB | | `./dist/tdesign.js` | 125 kB | | `./dist/tdesign.min.css` | 21.7 kB | | `./dist/tdesign.min.js` | 75.6 kB |

[github-actions[bot]]

Size Change: +101 B (0%)

Total Size: 246 kB

Filename	Size	Change
./dist/tdesign.js	125 kB	+48 B (0%)
./dist/tdesign.min.js	75.6 kB	+53 B (0%)

ℹ️ View Unchanged

| Filename | Size | | :--- | :---: | | `./dist/tdesign.css` | 23.5 kB | | `./dist/tdesign.min.css` | 21.8 kB |

[github-actions[bot]]

Size Change: 0 B

Total Size: 246 kB

ℹ️ View Unchanged

| Filename | Size | | :--- | :---: | | `./dist/tdesign.css` | 23.5 kB | | `./dist/tdesign.js` | 125 kB | | `./dist/tdesign.min.css` | 21.8 kB | | `./dist/tdesign.min.js` | 75.6 kB |

[github-actions[bot]]

Size Change: 0 B

Total Size: 246 kB

ℹ️ View Unchanged

| Filename | Size | | :--- | :---: | | `./dist/tdesign.css` | 23.5 kB | | `./dist/tdesign.js` | 125 kB | | `./dist/tdesign.min.css` | 21.8 kB | | `./dist/tdesign.min.js` | 75.6 kB |

[github-actions[bot]]

Size Change: 0 B

Total Size: 246 kB

ℹ️ View Unchanged

| Filename | Size | | :--- | :---: | | `./dist/tdesign.css` | 23.5 kB | | `./dist/tdesign.js` | 125 kB | | `./dist/tdesign.min.css` | 21.8 kB | | `./dist/tdesign.min.js` | 75.6 kB |

[github-actions[bot]]

Size Change: 0 B

Total Size: 246 kB

ℹ️ View Unchanged

| Filename | Size | | :--- | :---: | | `./dist/tdesign.css` | 23.5 kB | | `./dist/tdesign.js` | 125 kB | | `./dist/tdesign.min.css` | 21.8 kB | | `./dist/tdesign.min.js` | 75.6 kB |

[github-actions[bot]]

Size Change: 0 B

Total Size: 246 kB

ℹ️ View Unchanged

| Filename | Size | | :--- | :---: | | `./dist/tdesign.css` | 23.5 kB | | `./dist/tdesign.js` | 125 kB | | `./dist/tdesign.min.css` | 21.8 kB | | `./dist/tdesign.min.js` | 75.6 kB |

[github-actions[bot]]

Size Change: 0 B

Total Size: 246 kB

ℹ️ View Unchanged

| Filename | Size | | :--- | :---: | | `./dist/tdesign.css` | 23.5 kB | | `./dist/tdesign.js` | 125 kB | | `./dist/tdesign.min.css` | 21.8 kB | | `./dist/tdesign.min.js` | 75.6 kB |

[github-actions[bot]]

Size Change: 0 B

Total Size: 246 kB

ℹ️ View Unchanged

| Filename | Size | | :--- | :---: | | `./dist/tdesign.css` | 23.5 kB | | `./dist/tdesign.js` | 125 kB | | `./dist/tdesign.min.css` | 21.8 kB | | `./dist/tdesign.min.js` | 75.6 kB |