erp5_wendelin/test/test_01_IngestionFromFluentd: Verify resulting array in full explicitly

Instead of verifying only min/max/len of the result, we can verify that the
result is explicitly the array we expect, especially that it is easier to do
and less lines with just appropriate arange() and array_equal().

/cc @Tyagov

bt5/erp5_wendelin/TestTemplateItem/portal_components/test.erp5.testWendelin.py

@@ -149,10 +149,7 @@ class Test(ERP5TypeTestCase):
     np.average(zarray)
     
     # test that extracted array contains same values as input CSV
-    self.assertNotEqual(None, zarray)
-    self.assertEqual(100000.0, np.amax(zarray, axis=0))
-    self.assertEqual(0.0, np.amin(zarray, axis=0))
-    self.assertEqual((100001,), zarray.shape)
+    self.assertTrue(np.array_equal(zarray, np.arange(100001)))
 
   def test_02_Examples(self):
     """