Import CodeMirror in tests rather than using the global.
Import CodeMirror in tests rather than using the global.

HeroicEric/ivy-codemirror,HeroicEric/ivy-codemirror,mshafir/ivy-codemirror,HeroicEric/ivy-codemirror,mshafir/ivy-codemirror,mshafir/ivy-codemirror,IvyApp/ivy-codemirror,IvyApp/ivy-codemirror