Extend extra Deconvolve test

Author: emdupre

nipype/interfaces/afni/tests/test_extra_Deconvolve.py

@@ -7,4 +7,5 @@ def test_x1dstop():
     deconv.inputs.out_file = 'file.nii'
     assert 'out_file' in deconv._list_outputs()
     deconv.inputs.x1D_stop = True
-    assert not 'out_file' in deconv._list_outputs()
+    assert 'out_file' not in deconv._list_outputs()
+    assert 'cbucket' not in deconv._list_outputs()