TEST: Resample test takes too long

tests/test_image.py

@@ -1047,9 +1047,9 @@ def test_image_resample(seed):
         fname = op.join(td, 'test.nii')
 
         # Random base image shapes
-        for i in range(50):
+        for i in range(25):
 
-            shape = np.random.randint(5, 100, 3)
+            shape = np.random.randint(5, 50, 3)
             make_random_image(fname, shape)
             img = fslimage.Image(fname, mmap=False)
 
@@ -1061,7 +1061,7 @@ def test_image_resample(seed):
             # Random resampled image shapes
             for j in range(10):
 
-                rshape        = np.random.randint(5, 100, 3)
+                rshape        = np.random.randint(5, 50, 3)
                 resampled, xf = img.resample(rshape, order=0)
 
                 img.save('base.nii.gz')