Add 'Temporary:DriverMaxConnectionPoolSize' feature flag

Author: bigmontz

packages/testkit-backend/src/request-handlers.js

@@ -370,6 +370,7 @@ export function GetFeatures (_context, _params, wire) {
       'Feature:API:Result.List',
       'Feature:API:Result.Peek',
       'Temporary:ConnectionAcquisitionTimeout',
+      'Temporary:DriverMaxConnectionPoolSize',
       'Temporary:TransactionClose',
       'Temporary:CypherPathAndRelationship',
       'Temporary:DriverFetchSize',

packages/testkit-backend/src/skipped-tests/common.js

@@ -1,6 +1,10 @@
 import skip, { ifEquals, ifEndsWith, ifStartsWith } from './skip'
 
 const skippedTests = [
+  skip(
+    'Flacky because sometimes the connection is actually available',
+    ifEndsWith('test_should_enforce_pool_size_per_cluster_member')
+  ),
   skip(
     'Flaky in TeamCity',
     ifEndsWith('test_should_fail_when_writing_to_unexpectedly_interrupting_writers_on_run_using_tx_function'),