diff --git a/.gitignore b/.gitignore
index c0399849fba9b381c6fbd18b712e68c9df48ee87..c3a78e4cdd82bdafb2f388c5eb95cb26b0f2f6ed 100644
--- a/.gitignore
+++ b/.gitignore
@@ -28,3 +28,5 @@ vignettes/*.pdf
 inst/doc
 doc
 Meta
+# Testing datasets
+test_data/*
diff --git a/.travis.yml b/.travis.yml
index ee467a4358b8d9af612da8458b7f31943a9df0c3..539a2b9ea28d53e32d708bfe867ff36a9738e2e9 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,7 +5,7 @@ r:
   - bioc-devel
 #  - bioc-release
 sudo: false
-#cache: packages
+cache: packages
 
 dist: xenial
 addons: