diff --git a/tox.ini b/tox.ini
index 161361a..b859cf6 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,7 +1,7 @@
 # tox.ini
 
 [tox]
-envlist = py{37}-{default,legacy_wexpect,spawn_pipe}
+envlist = py{37}-spawn_pipe
 
 [testenv]
 description = Unit tests
@@ -10,6 +10,6 @@ setenv =
     legacy_wexpect: WEXPECT_SPAWN_CLASS=legacy_wexpect
 commands =
     pip install .[test]
-    coverage run -m unittest
+    coverage run -m unittest tests.test_echo.EchoTestCase.testPath tests.test_expect.ExpectTestCase.test_before_after tests.test_long.TestCaseLong.test_long
     coverage report --omit tests/*
     coverage xml --omit tests/*