fix(server): Don't emit infrastructure_failure on ECONNRESET and no s…

…ockets open

lib/server.js

@@ -372,14 +372,32 @@ class Server extends KarmaEventEmitter {
     processWrapper.on('SIGINT', () => disconnectBrowsers(process.exitCode))
     processWrapper.on('SIGTERM', disconnectBrowsers)
 
-    processWrapper.on('uncaughtException', (error) => {
+    const notKarmaError = (error) => {
+      // Someone else's socket error?
+      if (error.toString().includes('ECONNRESET') &&
+        !Object.keys(socketServer.sockets.sockets).length) {
+        return true
+      }
+      return false
+    }
+
+    const reportError = (error) => {
       this.log.error(error)
+      if (notKarmaError(error)) {
+        return
+      }
+      process.emit('infrastructure_error', error)
       disconnectBrowsers(1)
-    })
+    }
 
     processWrapper.on('unhandledRejection', (error) => {
-      this.log.error(error)
-      disconnectBrowsers(1)
+      this.log.error('UnhandledRejection')
+      reportError(error)
+    })
+
+    processWrapper.on('uncaughtException', (error) => {
+      this.log.error('UncaughtException')
+      reportError(error)
     })
   }