diff --git a/tests/res_test.py b/tests/res_test.py
index 5555699..8d9a115 100644
--- a/tests/res_test.py
+++ b/tests/res_test.py
@@ -15,6 +15,7 @@ def result():
         data["data/ts %i"%num] = ts+0
         ts.write_to_hdf(h5, "/", f"adc_{num}", f"adc_{num}")
         data["fft"] = (ts+0).fft()
+        data["fft_autophase"] = (ts+0).fft().autophase()
         r[num] = ts.y[0][0]
         if num > 4:
             x = r.get_xdata()
@@ -32,6 +33,7 @@ def result():
         data["test"] = r
         accu+=ts
         print(accu)
+    data["accu_fft"] = accu.fft().autophase()
     accu.write_to_hdf(h5, "/", "name", "title")
     try:
         h5.close()