diff --git a/tests/test_wrappers.py b/tests/test_wrappers.py
index 5dcca79c1e2b7c8bab6612493470d52f7f9aa80f..af2a95fb6df0c7254ebde60625ccc2264ebdaa2e 100644
--- a/tests/test_wrappers.py
+++ b/tests/test_wrappers.py
@@ -272,3 +272,18 @@ def test_fslmaths():
         assert result.output[0] == expected
 
         # TODO test LOAD output
+
+def test_fast():
+    with asrt.disabled(), run.dryrun(), mockFSLDIR() as fsldir:
+
+        cmd = op.join(fsldir, 'bin', 'fast')
+
+        result   = fw.fast('input', 'myseg', n_classes=3)
+        expected = [cmd, '-v', '--out=myseg', '--class=3', 'input']
+
+        assert result.output[0] == ' '.join(expected)
+
+        result   = fw.fast(('in1', 'in2', 'in3'), 'myseg', n_classes=3)
+        expected = [cmd, '-v', '--out=myseg', '--class=3', 'in1', 'in2', 'in3']
+
+        assert result.output[0] == ' '.join(expected)
diff --git a/tests/test_wrapperutils.py b/tests/test_wrapperutils.py
index 9a5d0d26407d29113bdb09308473d373c1bfdc9d..0399c8205797b02fb3c4dc06bc2ba706ce29c75d 100644
--- a/tests/test_wrapperutils.py
+++ b/tests/test_wrapperutils.py
@@ -318,14 +318,9 @@ def test_fileOrThing_sequence():
         if isinstance(arrs, six.string_types):
             arrs = [arrs]
 
-        print('Loading from files', arrs)
-
         arrs = [np.loadtxt(a) for a in arrs]
-
         res  = np.sum(arrs, axis=0)
 
-        print('result', res)
-
         np.savetxt(out, res)
 
     inputs  = [np.random.randint(1, 10, (3, 3)) for i in range(4)]