All 3 Uses of

mock
in
The War of the Worlds

I remember how mockingly bright the day seemed as I went back on my melancholy pilgrimage to the little house at Woking, how busy the streets and vivid the moving life about me.†
Chpt 2.9 *

mockingly = in a manner intended to make fun of

I go to London and see the busy multitudes in Fleet Street and the Strand, and it comes across my mind that they are but the ghosts of the past, haunting the streets that I have seen silent and wretched, going to and fro, phantasms in a dead city, the mockery of life in a galvanised body.†
Chpt 2.10

mockery = something that is ridiculous

We refreshed ourselves with a tin of mock-turtle soup and wine from the neighbouring pantry.†
Chpt 2.7 *

Definitions:

(1) (mock as in: don't mock me)
make fun of (ridicule--sometimes by imitating in an exaggerated manner)

or (more rarely): just to make fun or to be ridiculous without targeting anyone as a victim

These senses of mockery come together when a comedian pokes fun at a politician by pretending to be the politician and saying ridiculous things.
(2) (mock as in: a mock trial)
not real
(3) (meaning too rare to warrant focus)
meaning too rare to warrant focus:

Less commonly, mock can refer to a way of preparing food. Mockers can be an abbreviation for mockingbirds.