Bug Fixes

• dont'call fn twice in toThrow (#915) (c472614)
• export Window interface in jsdom environment (#925) (1a2dfd8)
• json reporter detects skip mode correctly (#930) (5993ce1)
• resolve dynamicly imported modules to be the same as statically (#911) (094d23e)

Features

• add perfStats to json reporter (#933) (89c8421)
• added nextjs example (#920) (2e8a3b1)
• create asymmetric matchers when extending expect (#934) (086a77c)