Run tests for module using nose.
| Parameters : | label : {‘fast’, ‘full’, ‘’, attribute identifier}, optional 
 verbose : int, optional 
 extra_argv : list, optional 
 doctests : bool, optional 
 coverage : bool, optional 
 raise_warnings : str or sequence of warnings, optional 
  | 
|---|---|
| Returns : | result : object 
  | 
Notes
Each NumPy module exposes test in its namespace to run all tests for it. For example, to run all tests for numpy.lib:
>>> np.lib.test() 
Examples
>>> result = np.lib.test() 
Running unit tests for numpy.lib
...
Ran 976 tests in 3.933s
OK
>>> result.errors 
[]
>>> result.knownfail 
[]