@Test(expectedExceptions = SiddhiAppCreationException.class)
    public void test2() {
        String executionPlan = generateExecutionPlan(X_GREATER_THAN_Y_CONDITION, X_INT_Y_STRING_DEF);
        new SiddhiManager().createSiddhiAppRuntime(executionPlan);
    }
Test expression comparisons with String values.
modules/siddhi-core/src/test/java/io/siddhi/core/query/StringCompareTestCase.java