pygost/default.t.do |  1 +
 pygost/test.do      | 34 ++++++++++++++--------------------

diff --git a/pygost/default.t.do b/pygost/default.t.do
new file mode 100644
index 0000000000000000000000000000000000000000..d61c1bc3862b86b6430f2e2994b0ac11f0839ee3cf050ab2314e779d03397b68
--- /dev/null
+++ b/pygost/default.t.do
@@ -0,0 +1 @@
+PYTHONPATH=$PYTHONPATH:.. ${PYTHON:-python} -m unittest test_$2
diff --git a/pygost/test.do b/pygost/test.do
index 0759504b0cc624bef951d150c2df62633c88adcfbb32516c39b08d36b427b66c..b786851f8c08632b430330bda8a90c13c8b838b717c56671288a2cdd0686cfca 100644
--- a/pygost/test.do
+++ b/pygost/test.do
@@ -1,20 +1,14 @@
-mods="
-gost28147
-gost28147_mac
-gost341194
-gost34112012
-gost3410
-gost3410_vko
-wrap
-gost3412
-gost3413
-mgm
-kdf
-x509
-cms
-pfx
-"
-
-for mod in $mods ; do
-    PYTHONPATH=$PYTHONPATH:.. ${PYTHON:=python} -m unittest test_$mod
-done
+redo-ifchange gost28147.t
+redo-ifchange gost28147_mac.t
+redo-ifchange gost341194.t
+redo-ifchange gost34112012.t
+redo-ifchange gost3410.t
+redo-ifchange gost3410_vko.t
+redo-ifchange wrap.t
+redo-ifchange gost3412.t
+redo-ifchange gost3413.t
+redo-ifchange mgm.t
+redo-ifchange kdf.t
+redo-ifchange x509.t
+redo-ifchange cms.t
+redo-ifchange pfx.t