Numpy.all is not numpy.ndarray.all

e.g. Dask dataframe (because array conversion is slightly different)

Author: hermansje

pythonwhat/Test.py

@@ -96,7 +96,7 @@ def test(self):
         """
         Perform the actual test. result is set to False if the objects differ, True otherwise.
         """
-        self.result = np.all(self.func(self.obj1, self.obj2))
+        self.result = np.array(self.func(self.obj1, self.obj2)).all()
 
 
 # Helpers for testing equality