[v9.4.x] SQLStore: Fix setting query retries for integration tests (#64972)

SQLStore: Fix setting query tries for integration tests (#64944)

* SQLStore: Pass testinfra database configuration to the test database

* Add test

* Bypass gocyclo check for initTestDB

(cherry picked from commit f5cb8c660e)

Co-authored-by: Sofia Papagiannaki <1632407+papagian@users.noreply.github.com>

pkg/tests/testinfra/testinfra.go

@@ -52,6 +52,11 @@ func StartGrafanaEnv(t *testing.T, grafDir, cfgPath string) (string, *server.Tes
 	require.NoError(t, err)
 	require.NoError(t, env.SQLStore.Sync())
 
+	require.NotNil(t, env.SQLStore.Cfg)
+	dbSec, err := env.SQLStore.Cfg.Raw.GetSection("database")
+	require.NoError(t, err)
+	assert.Greater(t, dbSec.Key("query_retries").MustInt(), 0)
+
 	go func() {
 		// When the server runs, it will also build and initialize the service graph
 		if err := env.Server.Run(); err != nil {