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The Moon
"The Flaky Test"
Major Arcana▲ Upright -1
The test fails intermittently, and nobody knows why, and everyone has agreed to 'retry on failure' as though that's a solution. The Moon illuminates illusions — what looks like a stable system may be concealing something that only surfaces under specific conditions at 3am on a Tuesday when the stars align wrong.
▽ Reversed 0
The flakiness has been investigated and the source has been found. A race condition, a timing assumption, an order-dependent test suite. The Moon reversed means the illusion is lifting — you're seeing the codebase more clearly now, even if what you see is slightly disturbing.