diff --git a/.travis.yml b/.travis.yml
index 9351b47d2..f031b4ffa 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -65,13 +65,21 @@ script:
   - "[ $SAUCELABS != false ] && true || [ $BUILD == false ] && true || $BIN $OPTION ./test.js ../dist/lodash.$BUILD.min.js"
   - "[ $SAUCELABS == false ] && true || node ./test/saucelabs.js \"test/index.html?build=lodash-compat-dev\""
   - "[ $SAUCELABS == false ] && true || node ./test/saucelabs.js \"test/index.html?build=lodash-compat-dev&compat=7\""
+  - "[ $SAUCELABS == false ] && true || node ./test/saucelabs.js \"test/backbone.html?build=lodash-compat-dev\""
   - "[ $SAUCELABS == false ] && true || node ./test/saucelabs.js \"test/index.html?build=lodash-compat\""
   - "[ $SAUCELABS == false ] && true || node ./test/saucelabs.js \"test/index.html?build=lodash-compat&compat=7\""
+  - "[ $SAUCELABS == false ] && true || node ./test/saucelabs.js \"test/backbone.html?build=lodash-compat\""
   - "[ $SAUCELABS == false ] && true || node ./test/saucelabs.js \"test/index.html?build=lodash-modern-dev\""
+  - "[ $SAUCELABS == false ] && true || node ./test/saucelabs.js \"test/backbone.html?build=modern-dev\""
   - "[ $SAUCELABS == false ] && true || node ./test/saucelabs.js \"test/index.html?build=lodash-modern\""
+  - "[ $SAUCELABS == false ] && true || node ./test/saucelabs.js \"test/backbone.html?build=lodash-modern\""
   - "[ $SAUCELABS == false ] && true || node ./test/saucelabs.js \"test/index.html?build=../dist/lodash.legacy.js\""
   - "[ $SAUCELABS == false ] && true || node ./test/saucelabs.js \"test/index.html?build=../dist/lodash.legacy.js&compat=7\""
+  - "[ $SAUCELABS == false ] && true || node ./test/saucelabs.js \"test/backbone.html?build=../dist/lodash.legacy.js\""
   - "[ $SAUCELABS == false ] && true || node ./test/saucelabs.js \"test/index.html?build=lodash-legacy\""
   - "[ $SAUCELABS == false ] && true || node ./test/saucelabs.js \"test/index.html?build=lodash-legacy&compat=7\""
+  - "[ $SAUCELABS == false ] && true || node ./test/saucelabs.js \"test/backbone.html?build=lodash-legacy\""
   - "[ $SAUCELABS == false ] && true || node ./test/saucelabs.js \"test/index.html?build=../dist/lodash.mobile.js\""
+  - "[ $SAUCELABS == false ] && true || node ./test/saucelabs.js \"test/backbone.html?build=../dist/lodash.mobile.js\""
   - "[ $SAUCELABS == false ] && true || node ./test/saucelabs.js \"test/index.html?build=lodash-mobile\""
+  - "[ $SAUCELABS == false ] && true || node ./test/saucelabs.js \"test/backbone.html?build=lodash-mobile\""