- TestDRGBFrames: single pixel, 300 LEDs, all black/white - TestDRGBWFrames: single pixel, 300 LEDs RGBW, W channel preserved - TestDNRGBFrames: single packet, multi-packet 600 LEDs, start_index offset - TestFrameAssembler: single chunk, two chunks, timeout, reset, round-trip - TestFrameModeIntegration: DRGB/DRGBW pixel counts, strip type routing