Chore: Add CloudWatch HTTP API tests (#29691)

* CloudWatch: Add HTTP API tests

Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>

pkg/services/sqlstore/sqlutil/sqlutil.go

@@ -14,7 +14,8 @@ func SQLite3TestDB() TestDB {
 	// To run all tests in a local test database, set ConnStr to "grafana_test.db"
 	return TestDB{
 		DriverName: "sqlite3",
-		ConnStr:    ":memory:",
+		// ConnStr specifies an In-memory database shared between connections.
+		ConnStr: "file::memory:?cache=shared",
 	}
 }