Unexport colorFor() function

wtftests/colors_test.go

@@ -1,14 +0,0 @@
-package wtftests
-
-import (
-	"testing"
-
-	"github.com/gdamore/tcell"
-	. "github.com/senorprogrammer/wtf/wtf"
-	. "github.com/stretchr/testify/assert"
-)
-
-func TestColorFor(t *testing.T) {
-	Equal(t, tcell.ColorRed, ColorFor("red"))
-	Equal(t, tcell.ColorGreen, ColorFor("cat"))
-}