Angular 6 – How to debug ‘[object ErrorEvent] thrown’ in Karma tests? What about ng test –single-run?

I was writing about the similiar problem in case of Angular v4 in the post named How to debug ‘NetworkError: Failed to execute ‘send’ on ‘XMLHttpRequest” in Karma tests. With Angular v6 error message is little different but still does not provide useful message. With Angular v6 a solution of this problems is also slightly […]

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