Fix test fixture type error

Author: Gudahtt

packages/messenger/src/Messenger.test.ts

@@ -979,7 +979,7 @@ describe('Messenger', () => {
     it('allows calling delegated action', () => {
       type ExampleAction = {
         type: 'Source:getLength';
-        handler: (input: string) => string;
+        handler: (input: string) => number;
       };
       const sourceMessenger = new Messenger<'Source', ExampleAction, never>({
         namespace: 'Source',
@@ -1005,7 +1005,7 @@ describe('Messenger', () => {
     it('allows calling delegated action that is not registered yet at time of delegation', () => {
       type ExampleAction = {
         type: 'Source:getLength';
-        handler: (input: string) => string;
+        handler: (input: string) => number;
       };
       const sourceMessenger = new Messenger<'Source', ExampleAction, never>({
         namespace: 'Source',
@@ -1032,7 +1032,7 @@ describe('Messenger', () => {
     it('throws an error when delegated action is called before it is registered', () => {
       type ExampleAction = {
         type: 'Source:getLength';
-        handler: (input: string) => string;
+        handler: (input: string) => number;
       };
       const sourceMessenger = new Messenger<'Source', ExampleAction, never>({
         namespace: 'Source',
@@ -1056,7 +1056,7 @@ describe('Messenger', () => {
     it('unregisters delegated action handlers when action is unregistered', () => {
       type ExampleAction = {
         type: 'Source:getLength';
-        handler: (input: string) => string;
+        handler: (input: string) => number;
       };
       const sourceMessenger = new Messenger<'Source', ExampleAction, never>({
         namespace: 'Source',
@@ -1265,7 +1265,7 @@ describe('Messenger', () => {
     it('allows revoking a delegated action', () => {
       type ExampleAction = {
         type: 'Source:getLength';
-        handler: (input: string) => string;
+        handler: (input: string) => number;
       };
       const sourceMessenger = new Messenger<'Source', ExampleAction, never>({
         namespace: 'Source',
@@ -1300,7 +1300,7 @@ describe('Messenger', () => {
     it('allows revoking both a delegated and undelegated action', () => {
       type ExampleFirstAction = {
         type: 'Source:getLength';
-        handler: (input: string) => string;
+        handler: (input: string) => number;
       };
       type ExampleSecondAction = {
         type: 'Source:getRandomString';
@@ -1348,7 +1348,7 @@ describe('Messenger', () => {
     it('allows revoking a delegated action that is delegated elsewhere', () => {
       type ExampleAction = {
         type: 'Source:getLength';
-        handler: (input: string) => string;
+        handler: (input: string) => number;
       };
       const sourceMessenger = new Messenger<'Source', ExampleAction, never>({
         namespace: 'Source',
@@ -1408,7 +1408,7 @@ describe('Messenger', () => {
     it('ignores revokation of action that is not delegated to the given messenger, but is delegated elsewhere', () => {
       type ExampleAction = {
         type: 'Source:getLength';
-        handler: (input: string) => string;
+        handler: (input: string) => number;
       };
       const sourceMessenger = new Messenger<'Source', ExampleAction, never>({
         namespace: 'Source',
@@ -1449,7 +1449,7 @@ describe('Messenger', () => {
     it('ignores revokation of action that is not delegated', () => {
       type ExampleAction = {
         type: 'Source:getLength';
-        handler: (input: string) => string;
+        handler: (input: string) => number;
       };
       const sourceMessenger = new Messenger<'Source', ExampleAction, never>({
         namespace: 'Source',