diff --git a/src/utils/getSortedServices.spec.ts b/src/utils/getSortedServices.spec.ts
index 44ba0fd1..24634f79 100644
--- a/src/utils/getSortedServices.spec.ts
+++ b/src/utils/getSortedServices.spec.ts
@@ -6,17 +6,17 @@ describe('getSortedServices', () => {
         const services = new Map<string, Service>();
         services.set('John', {
             name: 'John',
-            base: 'John',
+            operations: [],
             imports: [],
         });
         services.set('Jane', {
             name: 'Jane',
-            base: 'Jane',
+            operations: [],
             imports: [],
         });
         services.set('Doe', {
             name: 'Doe',
-            base: 'Doe',
+            operations: [],
             imports: [],
         });
 
diff --git a/src/utils/writeClientModels.spec.ts b/src/utils/writeClientModels.spec.ts
index ff3f2509..12a93700 100644
--- a/src/utils/writeClientModels.spec.ts
+++ b/src/utils/writeClientModels.spec.ts
@@ -15,8 +15,7 @@ describe('writeClientModels', () => {
                 base: 'Item',
                 type: '',
                 template: '',
-                description: null,
-                extends: null,
+                extends: [],
                 imports: [],
                 properties: [],
                 enums: [],
diff --git a/src/utils/writeClientServices.spec.ts b/src/utils/writeClientServices.spec.ts
index a8642af6..f697ef9f 100644
--- a/src/utils/writeClientServices.spec.ts
+++ b/src/utils/writeClientServices.spec.ts
@@ -12,7 +12,7 @@ describe('writeClientServices', () => {
         const services: Service[] = [
             {
                 name: 'Item',
-                base: 'Item',
+                operations: [],
                 imports: [],
             },
         ];