@Test
    void testAlwaysTrueOr() {
        final ExpressionOperator expressionOperator = ExpressionOperator.builder()
                .op(Op.OR)
                .addOperator(ExpressionOperator.builder().build())
                .addTerm(ExpressionTerm.builder()
                        .field(DB_FIELD_NAME_1)
                        .condition(ExpressionTerm.Condition.EQUALS)
                        .value(FIELD_1_VALUE).build())
                .build();

        final Condition condition = doTest(expressionOperator);

        // OR { 1=1, field1=123 } == true, terms condensed down to one true condition, so empty list
        assertThat(condition.toString()).isEqualTo("(field1=123)");
    }
This ought to behave in a consistent way with ExpressionMatcher
stroom-db-util/src/test/java/stroom/db/util/TestCommonExpressionMapper.java