Better integration test.

tests/postgres/run_tests.sh

@@ -79,7 +79,7 @@ SELECT
 "
 
 # Set environment variable for tests
-export RELSPEC_TEST_PG_CONN="postgres://relspec:relspec_test_password@localhost:5433/relspec_test"
+export RELSPEC_TEST_PG_CONN="postgres://relspec:relspec_test_password@localhost:5439/relspec_test"
 
 echo -e "\n${YELLOW}Running PostgreSQL reader tests...${NC}"
 echo "Connection string: $RELSPEC_TEST_PG_CONN"

tests/postgres/run_tests_podman.sh

@@ -21,7 +21,7 @@ CONTAINER_NAME="relspec-test-postgres"
 POSTGRES_USER="relspec"
 POSTGRES_PASSWORD="relspec_test_password"
 POSTGRES_DB="relspec_test"
-POSTGRES_PORT="5433"
+POSTGRES_PORT="5439"
 
 # Check if podman is available
 if ! command -v podman &> /dev/null; then