add terminal color test

Makefile

@@ -50,6 +50,9 @@ mirrors:
 build-go-gui-toolkits: build
 	./go-deb --release --no-gui --repo go.wit.com/apps/go-gui-toolkits
 
+build-test-failure: build
+	./go-deb --release --no-gui --repo go.wit.com/apps/junk
+
 build-all:
 	go-deb --no-gui --repo go.wit.com/apps/autotypist
 	go-deb --no-gui --repo go.wit.com/apps/control-panel-digitalocean

main.go

@@ -6,6 +6,7 @@ import (
 	"path/filepath"
 
 	"go.wit.com/gui"
+	"go.wit.com/lib/gui/shell"
 	"go.wit.com/lib/debugger"
 	"go.wit.com/lib/gadgets"
 	"go.wit.com/log"
@@ -47,6 +48,7 @@ func main() {
 	// verify the values for the package
 
 	if args.NoGui {
+		shell.TestTerminalColor()
 		if cBox.buildPackage() {
 			log.Info("build worked")
 		} else {