test for nil IdentityID case panics

[0xankit]

For equals method we should check if key comparing with is nil or not, else it will panic

modules/modules/identities/internal/key/key_test.go

Lines 114 to 117 in 6b4ec6c

	{"+ve", fields{nil}, args{key{nil}}, true},
	{"-ve", fields{nil}, args{key{testIdentity}}, false},
	{"-ve", fields{testIdentity}, args{key{nil}}, false},
	{"+ve", fields{testIdentity}, args{key{testIdentity}}, true},

modules/modules/identities/internal/key/key.go

Lines 31 to 38 in e76f043

	func (key key) Equals(compareKey helpers.Key) bool {
	if CompareKey, err := keyFromInterface(compareKey); err != nil {
	return false
	} else {
	// TODO test nil IdentityID case
	return key.IdentityID.Compare(CompareKey.IdentityID) == 0
	}
	}