GPII-1001: Handle more than just one solution entries

Updating tests according to new changes in the settings handler.
Also, adding a complete get/set test flow with multiple solutions.
Merge remote-tracking branch 'VVANTTUNEZZ/GPII-1001' into GPII-434

Conflicts:
	gpii/node_modules/orca/test/orcaSettingsHandlerTests.js