Label a test as ‘slow’.
The exact definition of a slow test is obviously both subjective and hardware-dependent, but in general any individual test that requires more than a second or two should be labeled as slow (the whole suite consists of thousands of tests, so even a second is significant).
The test to label as slow.
The decorated test t.
import decorators as dec. A test can be decorated as slow like this:
from numpy.testing import * @dec.slow def test_big(self): print('Big, slow test')