Tests

Fix Terraform CI #3254

Job	Run time
promtool	22s
Check libraries	49s
Terraform - Lint and Simple Deployment	1m 26s
Unit test charm	1m 33s
Lint / Lint .github/workflows/	5s
Lint / tox run -e lint	23s
Build charm (.) / Collect platforms for charm \| .	20s
Build charm (./tests/integration/relations/opensearch_provider/application-charm/) / Collect platforms for charm \| ./tests/integration/relations/opensearch_provider/application-charm/	18s
Build charm (./tests/integration/relations/opensearch_provider/application-charm/) / Build charm \| [email protected]:amd64	16s
Build charm (.) / Build charm \| [email protected]:amd64	21s
Build charm (.) / Build charm \| [email protected]:amd64	20s
Integration test charm \| ${{ matrix.juju.agent \|\| matrix.juju.snap_channel }}	1s
	6m 14s

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