[BCI-3989][solana] - CR methods err when service unstarted

[Farber98]

Task Description:

CR methods should throw an error if service is unstarted

This PR:

• Adds Close method enforced in the chainReaderInterfaceTester.

Ticket:

• BCI-3989

Depends on:

• https://github.com/smartcontractkit/chainlink-common/pull/705

[cl-sonarqube-production[bot]]

Quality Gate passed

Issues
0 New issues
0 Fixed issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
0.0% Duplication on New Code

See analysis details on SonarQube