Add servicer module mock

shared/modules/servicer_module.go

@@ -0,0 +1,16 @@
+package modules
+
+//go:generate mockgen -destination=./mocks/servicer_module_mock.go github.com/pokt-network/pocket/shared/modules ServicerModule
+
+import (
+	coreTypes "github.com/pokt-network/pocket/shared/core/types"
+)
+
+const (
+	ServicerModuleName = "servicer"
+)
+
+type ServicerModule interface {
+	Module
+	HandleRelay(*coreTypes.Relay) (*coreTypes.RelayResponse, error)
+}

shared/modules/utility_module.go

@@ -62,11 +62,6 @@ type FishermanModule interface {
 	Module
 }
 
-type ServicerModule interface {
-	Module
-	HandleRelay(*coreTypes.Relay) (*coreTypes.RelayResponse, error)
-}
-
 type ValidatorModule interface {
 	Module
 }

utility/module.go

@@ -142,10 +142,10 @@ func (u *utilityModule) GetActorModules() map[string]modules.Module {
 }
 
 func (u *utilityModule) GetServicerModule() (modules.ServicerModule, error) {
-	if u.actorModules[servicer.ServicerModuleName] == nil {
+	if u.actorModules[modules.ServicerModuleName] == nil {
 		return nil, errors.New("servicer module not enabled")
 	}
-	if m, ok := u.actorModules[servicer.ServicerModuleName].(modules.ServicerModule); ok {
+	if m, ok := u.actorModules[modules.ServicerModuleName].(modules.ServicerModule); ok {
 		return m, nil
 	}
 	return nil, errors.New("failed to cast servicer module")