@jmuk will you try running the system tests from packages/spanner on master with the latest dependencies? It instantly throws:
1) Spanner "before all" hook:
Uncaught TypeError: Cannot read property 'apply' of undefined
at src\admin\instance\v1\instance_admin_client.js:165:47
at wrappedCall (node_modules\google-gax\lib\paged_iteration.js:75:12)
at timeoutFunc (node_modules\google-gax\lib\api_callable.js:171:12)
at repeat (node_modules\google-gax\lib\api_callable.js:235:19)
at retryingFunc (node_modules\google-gax\lib\api_callable.js:264:7)
at _combinedTickCallback (internal/process/next_tick.js:74:11)
at process._tickCallback (internal/process/next_tick.js:98:9)
@jmuk will you try running the system tests from packages/spanner on master with the latest dependencies? It instantly throws: