unit test for fslcomplex

Specifically testing that fslcomplex correctly sets orientation information on the output file[s].

Note that this test will fail until newimage!26 (merged) is merged and released

unit_tests/avwutils/fslcomplex/feedsRun

@@ -40,7 +40,7 @@ def create_test_input_data(radio):
     comp4d = np.concatenate((comp.reshape(10, 10, 10, 1),
                              comp.reshape(10, 10, 10, 1)), 3)
 
-    affine        = np.diag([3, 3, 3, 0])
+    affine        = np.diag([3, 3, 3, 1])
     affine[:3, 3] = [10, 20, 30]
 
     if radio: