fix: fixed linter errors in dsl/pact

dsl/pact.go

@@ -699,7 +699,12 @@ func (p *Pact) VerifyMessageProviderRaw(request VerifyMessageRequest) ([]types.P
 	defer ln.Close()
 
 	log.Printf("[DEBUG] API handler starting: port %d (%s)", port, ln.Addr())
-	go http.Serve(ln, mux)
+	go func() {
+		if err := http.Serve(ln, mux); err != nil {
+			// NOTE: calling Fatalf causing test failures due to "accept tcp [::]:<port>: use of closed network connection"
+			log.Printf("[ERROR] API handler start failed: %v", err)
+		}
+	}()
 
 	portErr := waitForPort(port, "tcp", "localhost", p.ClientTimeout,
 		fmt.Sprintf(`Timed out waiting for pact proxy on port %d - check for errors`, port))
@@ -721,7 +726,7 @@ func (p *Pact) VerifyMessageProviderRaw(request VerifyMessageRequest) ([]types.P
 // It is the receiver of an interaction, and needs to be able to handle whatever
 // request was provided.
 func (p *Pact) VerifyMessageConsumerRaw(message *Message, handler MessageConsumer) error {
-	log.Printf("[DEBUG] verify message")
+	log.Println("[DEBUG] verify message")
 	p.Setup(false)
 
 	// Reify the message back to its "example/generated" form