Add missing configuration schema in Config Test component

Sub-task of #2231059: [meta] Find out what config schemas are still missing and add them

Problem/Motivation

[#1910624]introduced configuration schema + test coverage for schema for default configuration in core. However there are still few areas that doesn't have schema coverage.

Proposed resolution

Provide config schema for below configurations:

config_test.query.1
config_events_test.test
config_test.query.entity1
config_test.crud