tests/test_pyderasn.py | 10 +++++++++-

diff --git a/tests/test_pyderasn.py b/tests/test_pyderasn.py
index c203e508a911932276b9e0fec5d0f9ed3933061ecaed113d15a4e91ba243a866..29099b8584887b92b89c35472d27707be4b67b079609e4cc09b676d8fb1dd803 100644
--- a/tests/test_pyderasn.py
+++ b/tests/test_pyderasn.py
@@ -7565,11 +7565,13 @@             self.assertTrue(decoded.bered)
 
 
 class TestX690PrefixedType(TestCase):
-    def runTest(self):
+    def test_1(self):
         self.assertSequenceEqual(
             VisibleString("Jones").encode(),
             hexdec("1A054A6F6E6573"),
         )
+
+    def test_2(self):
         self.assertSequenceEqual(
             VisibleString(
                 "Jones",
@@ -7577,6 +7579,8 @@                 impl=tag_encode(3, klass=TagClassApplication),
             ).encode(),
             hexdec("43054A6F6E6573"),
         )
+
+    def test_3(self):
         self.assertSequenceEqual(
             Any(
                 VisibleString(
@@ -7587,6 +7591,8 @@                 expl=tag_ctxc(2),
             ).encode(),
             hexdec("A20743054A6F6E6573"),
         )
+
+    def test_4(self):
         self.assertSequenceEqual(
             OctetString(
                 VisibleString(
@@ -7597,6 +7603,8 @@                 impl=tag_encode(7, form=TagFormConstructed, klass=TagClassApplication),
             ).encode(),
             hexdec("670743054A6F6E6573"),
         )
+
+    def test_5(self):
         self.assertSequenceEqual(
             VisibleString("Jones", impl=tag_ctxp(2)).encode(),
             hexdec("82054A6F6E6573"),