Tests get implicitly tested by being run against code. When they fail in spite of the presence of no bugs then congratulations youve found a bug in your test.

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strogonoff 6 days ago | parent [-]

What if a test passes as a result of the bug?

	▲	pydry 6 days ago \| parent [-]
		What I did say: tests get tested implicitly by the code they test. What I didnt say: this catches 100% of all bugs in your tests.