feat: Adding IT for date and commit timestamp (#1621)
feat: Adding IT for date and commit timestamp (#1621)

* Revert "fix(deps): update dependency grpc-gcp to ^0.4.0 (#1603)"

This reverts commit f00b3c65e58c2f36e69a05fef0b3c9bc68a4ee55.

* changes to grpc-js

* adding data and commit timestamp

* changes to endpoint

* fix

* changes for emulator
googleapis/nodejs-spanner,googleapis/nodejs-spanner,googleapis/nodejs-spanner,googleapis/nodejs-spanner