Files
esphome/tests/integration/fixtures
J. Nick Koston f50720a3c5 [light] Add integration tests for constant_brightness with gamma
Regression tests for #15040 using a single compiled binary with two
cwww lights to verify:
- constant_brightness: true maintains constant total CW+WW power
  output across all color temperatures with gamma correction
- constant_brightness: false correctly varies total power (higher
  at mid-range where both channels contribute)
2026-03-20 22:00:44 -10:00
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