@Test
    void testFirstN() {
        verifyStrict("a.b.c.d.e", C_abcde.first(5));
        verifyStrict("a.b.c.d", C_abcde.first(4));
        verifyStrict("a.b.c", C_abcde.first(3));
        verifyStrict("a.b", C_abcde.first(2));
        verifyStrict("a", C_abcde.first(1));
        verifyStrict(CompoundName.empty, C_abcde.first(0));
    }
Module local test of the basic property name building block.

@author Steinar Knutsen
container-core/src/test/java/com/yahoo/processing/request/CompoundNameTestCase.java