test: add pubsublite to local modules (#4373)

Adds Pub/Sub Lite which was missing from the list of modules of handwritten libraries

internal/kokoro/build_samples.sh

@@ -54,14 +54,15 @@ for i in $(find . -name go.mod); do
     popd
     continue
   fi
-  # TODO(codyoss): if we spilt out modules someday we should make this programmatic.
+  # TODO(codyoss): if we split out modules someday we should make this programmatic.
   go mod edit -replace cloud.google.com/go=$gcwd
   go mod edit -replace cloud.google.com/go/bigtable=$gcwd/bigtable
   go mod edit -replace cloud.google.com/go/bigquery=$gcwd/bigquery
   go mod edit -replace cloud.google.com/go/datastore=$gcwd/datastore
   go mod edit -replace cloud.google.com/go/firestore=$gcwd/firestore
   go mod edit -replace cloud.google.com/go/logging=$gcwd/logging
   go mod edit -replace cloud.google.com/go/pubsub=$gcwd/pubsub
+  go mod edit -replace cloud.google.com/go/pubsublite=$gcwd/pubsublite
   go mod edit -replace cloud.google.com/go/spanner=$gcwd/spanner
   go mod edit -replace cloud.google.com/go/storage=$gcwd/storage
   echo "Downloading modules"