[MIFOSX-1026] JUnit Test Cases for Global Configuration

[MIFOSX-1026] JUnit Test Cases for Global Configuration
[MIFOSX-1035] JUnit Test Cases for Charges

[MIFOSX-1035] JUnit Test Cases for Charges
Merge pull request #826 from Vishwa1311/MIFOSX-1026_1

[MIFOSX-1026] JUnit Test Cases for Global Configuration
Merge pull request #827 from Vishwa1311/MIFOSX-1035

[MIFOSX-1035] JUnit Test Cases for Charges