Moved TestMain to own file

cli/http.go

cmd/integration_test.go

nucleus/gnmi_transport_test.go

nucleus/http_test.go

nucleus/inizalize_test.go

nucleus/integration_test.go

nucleus/principalNetworkDomain_test.go

nucleus/southbound_test.go

nucleus/store_test.go

nucleus/util/proto/cap-resp-arista-ceos_test

nucleus/util/proto/req-full-node-arista-ceos_test

nucleus/util/proto/req-full-node_test

nucleus/util/proto/req-interfaces-arista-ceos_test

nucleus/util/proto/req-interfaces-interface-arista-ceos_test

nucleus/util/proto/req-interfaces-wildcard_test

nucleus/util/proto/resp-full-node-arista-ceos_test

nucleus/util/proto/resp-full-node_test

nucleus/util/proto/resp-interfaces-arista-ceos_test

...eus/util/proto/resp-interfaces-interface-arista-ceos_test

nucleus/util/proto/resp-interfaces-wildcard_test