test: Format predicate source as multiline on error
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@ -216,7 +216,7 @@ def wait_until(predicate, *, attempts=float('inf'), timeout=float('inf'), lock=N
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time.sleep(0.05)
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# Print the cause of the timeout
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predicate_source = inspect.getsourcelines(predicate)
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predicate_source = "''''\n" + inspect.getsource(predicate) + "'''"
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logger.error("wait_until() failed. Predicate: {}".format(predicate_source))
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if attempt >= attempts:
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raise AssertionError("Predicate {} not true after {} attempts".format(predicate_source, attempts))
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