code: def testRGBtoHSV(self):
      self._testGeneric(
          rgb_to_hsv, "r g b".split(), "h s_hsv v".split()
      )
  
imports: import unittest
  from igraph import hsv_to_rgb, hsva_to_rgba, hsl_to_rgb, hsla_to_rgba, rgb_to_hsl, rgba_to_hsla, rgba_to_hsva, rgb_to_hsv, GradientPalette, AdvancedGradientPalette
label_desc: Use image node_id 10 for calling the ColorTests obj's underlying member method code with example usage: obj.testRGBtoHSV() without return types