Fix pojos and classes with new cps version

- incorporate changes done on pojos and schema rename in cps 3.3.6 which
  affects dmi plugin
- refactor the test cases and naming
- dmi plugin to use the upgraded cps version

Issue-ID: CPS-1828
Change-Id: I98fbb15dac58caac584b9e267be0c1cdc3675b91
Signed-off-by: mpriyank <priyank.maheshwari@est.tech>
10 files changed