Fix id_token usage as string (#129)

Author: afoster

src/Events/XeroAuthorized.php

@@ -6,7 +6,7 @@ class XeroAuthorized
 {
     public string $token;
     public string $refresh_token;
-    public array $id_token;
+    public string $id_token;
     public string $expires;
     public array $tenants;
 

tests/Feature/Routes/CallbackTest.php

@@ -62,7 +62,7 @@ public function test_you_can_get_callback_url()
         Event::assertDispatched(XeroAuthorized::class, function (XeroAuthorized $event) {
             $this->assertEquals('token', $event->token);
             $this->assertEquals('refresh-token', $event->refresh_token);
-            $this->assertEquals(['token' => 'foo'], $event->id_token);
+            $this->assertEquals('foo', $event->id_token);
             $this->assertEquals('1234', $event->expires);
             $this->assertEquals([
                 [

tests/TestSupport/Mocks/MockAccessToken.php

@@ -40,9 +40,7 @@ public function hasExpired()
     public function getValues()
     {
         return [
-            'id_token' => [
-                'token' => 'foo',
-            ],
+            'id_token' => 'foo'
         ];
     }
 

tests/Unit/CredentialManagersTest.php

@@ -63,9 +63,7 @@ public function test_you_can_get_credential_store_with_existing_data($sutClass,
         $createExistingData($sut, $existingData = [
             'token' => 'default-token',
             'refresh_token' => 'default-refresh-token',
-            'id_token' => [
-                'token' => 'foo',
-            ],
+            'id_token' => 'foo',
             'expires' => $expires = strtotime('+1 hour'),
             'tenants' => [
                 [
@@ -126,9 +124,7 @@ public function test_that_it_stores_data_correctly($sutClass, $setupFunction, $c
         $this->assertEquals([
             'token' => 'token',
             'refresh_token' => 'refresh-token',
-            'id_token' => [
-                'token' => 'foo',
-            ],
+            'id_token' => 'foo',
             'expires' => '1234',
             'tenants' => [
                 'tenant' => 'tenant_id',
@@ -161,9 +157,7 @@ public function test_that_it_can_refresh_its_token($sutClass, $setupFunction, $c
         $this->assertEquals([
             'token' => 'token',
             'refresh_token' => 'refresh-token',
-            'id_token' => [
-                'token' => 'foo',
-            ],
+            'id_token' => 'foo',
             'expires' => '1234',
             'tenants' => null,
         ], $sut->getData());