diff --git a/test/tests/kit.ts b/test/tests/kit.ts
index 1e927c7..33225c0 100644
--- a/test/tests/kit.ts
+++ b/test/tests/kit.ts
@@ -10,6 +10,7 @@ import {
     Logo,
     Session,
     SessionKit,
+    UserInterfaceAccountCreationResponse,
     UserInterfaceLoginResponse,
 } from '$lib'
 
@@ -594,6 +595,12 @@ suite('kit', function () {
                             walletPluginIndex: 999999,
                         }
                     }
+                    onAccountCreate(): Promise<UserInterfaceAccountCreationResponse> {
+                        throw new Error('Not implemented in mock UI')
+                    }
+                    onAccountCreateComplete(): Promise<void> {
+                        throw new Error('Not implemented in mock UI')
+                    }
                 }
                 const sessionKit = new SessionKit(
                     {
diff --git a/test/tests/ui.ts b/test/tests/ui.ts
index 00ab729..45a8c95 100644
--- a/test/tests/ui.ts
+++ b/test/tests/ui.ts
@@ -3,7 +3,11 @@ import {assert} from 'chai'
 import type {LocaleDefinitions} from '@wharfkit/common'
 import {MockUserInterface} from '@wharfkit/mock-data'
 
-import {UserInterface, UserInterfaceTranslateOptions} from 'src/ui'
+import {
+    UserInterface,
+    UserInterfaceAccountCreationResponse,
+    UserInterfaceTranslateOptions,
+} from 'src/ui'
 
 const mockLocaleDefinitions: LocaleDefinitions = {
     en: {
@@ -34,6 +38,14 @@ class ImplementedUI extends MockUserInterface {
         }
         return this.localeDefinitions.en[key] || options?.default || `[[${key} not localized]]`
     }
+
+    onAccountCreate(): Promise<UserInterfaceAccountCreationResponse> {
+        throw new Error('Not implemented in mock UI')
+    }
+
+    onAccountCreateComplete(): Promise<void> {
+        throw new Error('Not implemented in mock UI')
+    }
 }
 
 suite('ui', function () {