Build failure on master. (#627)

* Build failure on master.

* Fix ci failure.

* Fix test.

* Ignore broken tests.

* Fix doctests.

packages/fermi/README.md

@@ -77,7 +77,7 @@ fermi = { git = "https://github.com/dioxuslabs/dioxus" }
 ## Running examples
 
 The examples here use Dioxus Desktop to showcase their functionality. To run an example, use
-```
+```sh
 $ cargo run --example fermi
 ```