started adding fakelibusb functions for testing device.go

usb/usb_test.go

@@ -82,46 +82,6 @@ func TestEnum(t *testing.T) {
 	}
 }
 
-func TestOpenDeviceWithVidPid(t *testing.T) {
-	c := NewContext()
-	defer c.Close()
-	c.Debug(0)
-
-	// Accept for all device
-	devs, err := c.ListDevices(func(desc *Descriptor) bool {
-		return true
-	})
-	defer func() {
-		for _, d := range devs {
-			d.Close()
-		}
-	}()
-
-	if err != nil {
-		t.Fatalf("list: %s", err)
-	}
-
-	for i := range devs {
-		vid := devs[i].Vendor
-		pid := devs[i].Product
-		device, err := c.OpenDeviceWithVidPid((int)(vid), (int)(pid))
-
-		// if the context failed to open device
-		if err != nil {
-			t.Fail()
-		}
-
-		// if opened device was not valid
-		if device.Descriptor.Bus != devs[i].Bus ||
-			device.Descriptor.Address != devs[i].Address ||
-			device.Vendor != devs[i].Vendor ||
-			device.Product != devs[i].Product {
-			t.Fail()
-		}
-
-	}
-}
-
 func TestMultipleContexts(t *testing.T) {
 	var buf bytes.Buffer
 	log.SetOutput(&buf)