test: update env vars for cockroachdb connection

Point DATABASE_URL at cockroachdb:26257 with root user (insecure mode).
Enable DATABASE_MIGRATION_CONSTRAINT_FIX for CockroachDB compatibility.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: AchoArnold

tests/.env.test

@@ -8,8 +8,9 @@ EVENTS_QUEUE_ENDPOINT=http://localhost:8000/v1/events
 EVENTS_QUEUE_USER_API_KEY=system-user-api-key
 EVENTS_QUEUE_USER_ID=system-user-id
 FCM_ENDPOINT=http://wiremock:8080
-DATABASE_URL=postgresql://dbusername:dbpassword@postgres:5432/httpsms
-DATABASE_URL_DEDICATED=postgresql://dbusername:dbpassword@postgres:5432/httpsms
+DATABASE_URL=postgresql://root@cockroachdb:26257/httpsms?sslmode=disable
+DATABASE_URL_DEDICATED=postgresql://root@cockroachdb:26257/httpsms?sslmode=disable
+DATABASE_MIGRATION_CONSTRAINT_FIX=1
 REDIS_URL=redis://@redis:6379
 APP_PORT=8000
 APP_NAME=httpSMS