func TestFuzzColorMultipleColors(t *testing.T) {
	testFuzzColor(t, []color.Color{black, white, red, green, blue})
}
TestFuzzColorMultipleColors verifies that FuzzColor produces only colors
which are used in its input.
package waveform
import (
	"image/color"
	"testing"
)
var (
	black = color.RGBA{0, 0, 0, 255}
	white = color.RGBA{255, 255, 255, 255}
	red   = color.RGBA{255, 0, 0, 255}
	green = color.RGBA{0, 255, 0, 255}
	blue  = color.RGBA{0, 0, 255, 255}
)
func TestCheckerColorOneColor(t *testing.T) {
	testCheckerColor(t, black, black)
}
func TestCheckerColorTwoColors(t *testing.T) {
	testCheckerColor(t, black, white)
}
func TestFuzzColorOneColor(t *testing.T) {
	testFuzzColor(t, []color.Color{black})
}