Reproduces issue https://github.com/ionic-team/stencil/issues/5001

Consists of:

• A StencilJS project using version 4.6.0
• An Angular project wrapping the Stencil components using @stencil/angular-output-target

Build steps to reproduce the issue

• Open terminal
• Navigate to StencilJS project: cd stencil-component-starter
• Run: npm run build:reproduce
• Open project in IDE
• Open angular-workspace/my-app/app.component.html
• => Error: Event testEvent is not emitted by any applicable directives nor by my-component element