Remove tests which require internet access.
--- a/tests/run
+++ b/tests/run
@@ -160,11 +160,4 @@
 test::run "fish" _navi_widget "fish"
 test::run "elvish" _navi_widget "elvish"
 
-test::set_suite "3rd party"
-test::run "tldr" _navi_tldr
-test::run "cheatsh" _navi_cheatsh
-
-test::set_suite "integration"
-test::run "welcome->pwd" _integration
-
 test::finish