fix: system test against emulator

Author: alkatrivedi

system-test/spanner.ts

@@ -2411,6 +2411,8 @@ describe('Spanner', () => {
  assert.ifError(err);
  assert.strictEqual(metadata!.name, database.formattedName_);
  assert.strictEqual(metadata!.state, 'READY');
+ console.log(`line 2414: ${IS_EMULATOR_ENABLED}`);
+ console.log(`line 2415: ${process.env.SPANNER_EMULATOR_HOST}`);
  if (IS_EMULATOR_ENABLED) {
  assert.strictEqual(
  metadata!.databaseDialect,