@Test
public void testSetComponentName() {

    Span result = undertest.setComponentName("custom");
    assertSame(result, undertest);
    verifyZeroInteractions(abstractTracer);
    assertNotNull(grpcSpan.getTagsList());
    assertEquals(1, grpcSpan.getTagsCount());
    assertEquals(KeyValue.newBuilder().setKey(LightStepConstants.Tags.COMPONENT_NAME_KEY).setStringValue("custom").build(), grpcSpan.getTags(0));
}