fix(server): Report original error message (#3415)

Borewit · web-flow · commit 79ee331c939b · 2020-02-11T16:18:18.000-08:00
Display original error message of plugins like: karma-browserstack-launcher, karma-cbt-launcher. Fixes #3414
diff --git a/lib/server.js b/lib/server.js
@@ -395,12 +395,12 @@ class Server extends KarmaEventEmitter {
     }
 
     processWrapper.on('unhandledRejection', (error) => {
-      this.log.error('UnhandledRejection')
+      this.log.error(`UnhandledRejection: ${error.message || String(error)}`)
       reportError(error)
     })
 
     processWrapper.on('uncaughtException', (error) => {
-      this.log.error('UncaughtException')
+      this.log.error(`UncaughtException:: ${error.message || String(error)}`)
       reportError(error)
     })
   }

Original file line number	Diff line number	Diff line change
`@@ -395,12 +395,12 @@ class Server extends KarmaEventEmitter {`
`395`	`395`	`}`
`396`	`396`
`397`	`397`	`processWrapper.on('unhandledRejection', (error) => {`
`398`		`- this.log.error('UnhandledRejection')`
	`398`	+ this.log.error(`UnhandledRejection: ${error.message \|\| String(error)}`)
`399`	`399`	`reportError(error)`
`400`	`400`	`})`
`401`	`401`
`402`	`402`	`processWrapper.on('uncaughtException', (error) => {`
`403`		`- this.log.error('UncaughtException')`
	`403`	+ this.log.error(`UncaughtException:: ${error.message \|\| String(error)}`)
`404`	`404`	`reportError(error)`
`405`	`405`	`})`
`406`	`406`	`}`