BCF-3322: automatically cleanup heavyweight test databases

[krehermann]

BCF-3322

Tested locally by running tests that use heavyweight db and seeing that on develop they strand dbs but on this branch they do not:

chainlink % git status
On branch develop
Your branch is up to date with 'origin/develop'.

nothing to commit, working tree clean
chainlink % make testdb
go run . local db preparetest
time=2024-07-12T17:13:19.878-06:00 level=INFO msg="Version was unset on production build. Chainlink should be built with static.Version set to a valid semver for production builds."
2024-07-12T17:13:19.879-0600 [INFO]  Resetting database: "postgres://chainlink_dev:insecurepassword@localhost:5432/chainlink_development_test?sslmode=disable" cmd/shell_local.go:765           version=unset@unset 
time=2024-07-12T17:13:20.095-06:00 level=INFO msg="Error checking mercury jobs: ERROR: relation \"ocr2_oracle_specs\" does not exist (SQLSTATE 42P01)"
chainlink % /opt/homebrew/bin/go test -count=1   github.com/smartcontractkit/chainlink/v2/core/chains/evm/... 
ok      github.com/smartcontractkit/chainlink/v2/core/chains/evm/abi    0.238s
...
chainlink % make testdb                                                                                          
go run . local db preparetest
time=2024-07-12T17:22:23.179-06:00 level=INFO msg="Version was unset on production build. Chainlink should be built with static.Version set to a valid semver for production builds."
2024-07-12T17:22:23.182-0600 [INFO]  Resetting database: "postgres://chainlink_dev:insecurepassword@localhost:5432/chainlink_development_test?sslmode=disable" cmd/shell_local.go:765           version=unset@unset 
time=2024-07-12T17:22:23.655-06:00 level=INFO msg="Error checking mercury jobs: ERROR: relation \"ocr2_oracle_specs\" does not exist (SQLSTATE 42P01)"
2024-07-12T17:22:27.174-0600 [INFO]  Dropping old, dangling test database: "chainlink_test_38e1c01b6023467f94c6ffee50e96bc5" cmd/shell_local.go:839           version=unset@unset 
2024-07-12T17:22:27.174-0600 [INFO]  Dropping old, dangling test database: "chainlink_test_8f75a5a9371e493285067c2c552d7c42" cmd/shell_local.go:839           version=unset@unset 
2024-07-12T17:22:27.174-0600 [INFO]  Dropping old, dangling test database: "chainlink_test_8b6a20f527ce410a8a229d0ef9e8ad0b" cmd/shell_local.go:839           version=unset@unset 
2024-07-12T17:22:27.174-0600 [INFO]  Dropping old, dangling test database: "chainlink_test_e11ad58751cd4ee8b20b30b8c23f8df6" cmd/shell_local.go:839           version=unset@unset 
chainlink % git status
On branch develop
Your branch is up to date with 'origin/develop'.

nothing to commit, working tree clean
chainlink % git switch bcf-3322/cleanup-heavyweight-dbs 
Switched to branch 'bcf-3322/cleanup-heavyweight-dbs'
Your branch is up to date with 'origin/bcf-3322/cleanup-heavyweight-dbs'.
(base) kreherma@MB-GPC9WG3DHF chainlink % make testdb                                
go run . local db preparetest
time=2024-07-12T17:23:05.159-06:00 level=INFO msg="Version was unset on production build. Chainlink should be built with static.Version set to a valid semver for production builds."
2024-07-12T17:23:05.160-0600 [INFO]  Resetting database: "postgres://chainlink_dev:insecurepassword@localhost:5432/chainlink_development_test?sslmode=disable" cmd/shell_local.go:765           version=unset@unset 
time=2024-07-12T17:23:05.334-06:00 level=INFO msg="Error checking mercury jobs: ERROR: relation \"ocr2_oracle_specs\" does not exist (SQLSTATE 42P01)"
(base) kreherma@MB-GPC9WG3DHF chainlink % /opt/homebrew/bin/go test -count=1   github.com/smartcontractkit/chainlink/v2/core/chains/evm/...
ok      github.com/smartcontractkit/chainlink/v2/core/chains/evm/abi    0.444s
...
(base) kreherma@MB-GPC9WG3DHF chainlink % make testdb                                                                                      
go run . local db preparetest
time=2024-07-12T17:26:05.637-06:00 level=INFO msg="Version was unset on production build. Chainlink should be built with static.Version set to a valid semver for production builds."
2024-07-12T17:26:05.638-0600 [INFO]  Resetting database: "postgres://chainlink_dev:insecurepassword@localhost:5432/chainlink_development_test?sslmode=disable" cmd/shell_local.go:765           version=unset@unset 
time=2024-07-12T17:26:05.786-06:00 level=INFO msg="Error checking mercury jobs: ERROR: relation \"ocr2_oracle_specs\" does not exist (SQLSTATE 42P01)"
chainlink % 

### Requires Dependencies
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  - https://github.com/smartcontractkit/chainlink-common/pull/7777777
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### Resolves Dependencies
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[BCF-3322]: https://smartcontract-it.atlassian.net/browse/BCF-3322?atlOrigin=eyJpIjoiNWRkNTljNzYxNjVmNDY3MDlhMDU5Y2ZhYzA5YTRkZjUiLCJwIjoiZ2l0aHViLWNvbS1KU1cifQ

[cl-sonarqube-production]

Quality Gate passed

Issues
0 New issues
0 Fixed issues
0 Accepted issues

Measures
0 Security Hotspots
73.3% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube