diff --git a/nibabel/tests/test_nifti1.py b/nibabel/tests/test_nifti1.py
index 05b790bc78..42a0f0c5de 100644
--- a/nibabel/tests/test_nifti1.py
+++ b/nibabel/tests/test_nifti1.py
@@ -349,7 +349,7 @@ def test_freesurfer_ico7_hack(self):
             nii2 = load('test.nii')
             assert_equal(nii.shape, nii2.shape)
             assert_array_equal(nii.get_data(), nii2.get_data())
-            assert_array_equal(nii.get_affine(), nii2.get_affine())
+            assert_array_equal(nii.affine, nii2.affine)
 
     def test_qform_sform(self):
         HC = self.header_class
@@ -1036,8 +1036,10 @@ def test_norm_zooms_edge_cases(self):
         aff = np.eye(4)
         img = img_klass(arr, aff)
 
+
         # Unknown units = 2 warnings
         with warnings.catch_warnings(record=True) as warns:
+            warnings.simplefilter('always')
             assert_array_almost_equal(img.header.get_norm_zooms(),
                                       (1, 1, 1, 1))
             assert_equal(len(warns), 2)
@@ -1045,6 +1047,7 @@ def test_norm_zooms_edge_cases(self):
 
         img.header.set_xyzt_units(xyz='meter')
         with warnings.catch_warnings(record=True) as warns:
+            warnings.simplefilter('always')
             assert_array_almost_equal(img.header.get_norm_zooms(),
                                       (1000, 1000, 1000, 1))
             assert_equal(len(warns), 1)
@@ -1059,6 +1062,7 @@ def test_norm_zooms_edge_cases(self):
 
         img.header.set_xyzt_units(t='sec')
         with warnings.catch_warnings(record=True) as warns:
+            warnings.simplefilter('always')
             assert_array_equal(img.header.get_norm_zooms(), (1, 1, 1, 1))
             assert_equal(len(warns), 1)
         assert_raises(ValueError, img.header.get_norm_zooms, True)