[CI] test build and pakcage

README.md

@@ -74,8 +74,7 @@ jupyter lab build --minimize=False
 pip uninstall jupyterlab-unfold
 ```
 
-In development mode, you will also need to remove the symlink created by `jupyter labextension develop`
-command. To find its location, you can run `jupyter labextension list` to figure out where the `labextensions`
+In development mode, you will also need to remove the symlink created by `jupyter labextension develop` command. To find its location, you can run `jupyter labextension list` to figure out where the `labextensions`
 folder is located. Then you can remove the symlink named `jupyterlab-unfold` within that folder.
 
 ## Acknowledgement