Ensure that exceptions thrown from Connection tasks are observed #1979

Job	Run time
Azure Cosmos DB provider tests	0s
Build (ubuntu-latest)	2m 37s
Azure Storage provider tests	0s
Consul provider tests (Consul)	6m 38s
Build (windows-latest)	5m 22s
AWS DynamoDB provider tests (DynamoDB)	3m 7s
MariaDB/MySQL provider tests (MySql)	3m 34s
PostgreSQL provider tests (PostgreSql)	4m 9s
Redis provider tests (Redis)	4m 58s
Microsoft SQL Server provider tests (SqlServer)	3m 48s
ZooKeeper provider tests (ZooKeeper)	2m 52s
	37m 5s

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