diff --git a/tests/decoding_test.sh b/tests/decoding_test.sh
index 21f7439..815afc0 100755
--- a/tests/decoding_test.sh
+++ b/tests/decoding_test.sh
@@ -1,2 +1,3 @@
 #!/bin/sh
-python tests/decoding_test.py
\ No newline at end of file
+
+python tests/decoding_test.py
diff --git a/tests/decoding_test2.sh b/tests/decoding_test2.sh
new file mode 100755
index 0000000..dcae0e8
--- /dev/null
+++ b/tests/decoding_test2.sh
@@ -0,0 +1,4 @@
+#!/bin/sh
+
+export PYTHONPATH=`pwd`
+python2 tests/decoding_test.py
diff --git a/tests/decoding_test3.sh b/tests/decoding_test3.sh
new file mode 100755
index 0000000..47aaec1
--- /dev/null
+++ b/tests/decoding_test3.sh
@@ -0,0 +1,4 @@
+#!/bin/sh
+
+export PYTHONPATH=`pwd`
+python3 tests/decoding_test.py