run-tests.sh: list with the right import path
Travis puts the repo under github.com/GoogleCloudPlatform/google-cloud-go,
so the package spec "./..." uses that as the package prefix.
Force it to use cloud.google.com/go instead.
@@ -75,7 +75,7 @@ function depends_on_changed_package {
shorts=
fulls=
-for pkg in $(go list ./...); do # for each package in the repo
+for pkg in $(go list $prefix/...); do # for each package in the repo
if depends_on_changed_package $pkg; then # if it depends on a changed package
fulls="$fulls $pkg" # run the full test
else # otherwise
