diff --git a/test/common.ts b/test/common.ts
new file mode 100644
index 0000000..fdd762c
--- /dev/null
+++ b/test/common.ts
@@ -0,0 +1,33 @@
+import type { MatcherFunction } from 'expect'
+import Ajv from 'ajv'
+import type { Config } from 'ts-json-schema-generator'
+import { createGenerator } from 'ts-json-schema-generator'
+import { inspect } from 'util'
+
+const ajv = new Ajv()
+
+const ajvConfig: Config = {
+  path: 'src/**/*.ts',
+  tsconfig: 'tsconfig.json'
+}
+
+const toMatchSchema: MatcherFunction<[type: string]> = (actual: any, type: string) => {
+  const schema = createGenerator({ ...ajvConfig, type }).createSchema(type)
+  const result = ajv.validate(schema, actual)
+
+  return {
+    message: () => `expected ${type + (result ? ' not ' : ' ')}to match schema: ${inspect(ajv.errors)}`,
+    pass: result
+  }
+}
+
+expect.extend({ toMatchSchema })
+
+declare module 'expect' {
+  interface AsymmetricMatchers {
+    toMatchSchema: (type: string) => void
+  }
+  interface Matchers<R> {
+    toMatchSchema: (type: string) => R
+  }
+}
diff --git a/test/static.test.ts b/test/static.test.ts
index 28bea47..f825053 100644
--- a/test/static.test.ts
+++ b/test/static.test.ts
@@ -1,40 +1,22 @@
 import { describe, expect } from '@jest/globals'
-import type { Config } from 'ts-json-schema-generator'
-import { createGenerator } from 'ts-json-schema-generator'
 import { Skolengo } from '../src/index'
-import Ajv from 'ajv'
-
-const ajv = new Ajv()
-
-const ajvConfig: Config = {
-  path: 'src/**/*.ts',
-  tsconfig: 'tsconfig.json'
-}
+import './common'
 
 /**
  * Tests unitaires des endpoints ne nécessitant pas d'authentification
  */
-describe('Test Skolengo API types - Anonymous', () => {
+describe('Test Skolengo API types - Public endpoints', () => {
   it('should getAppCurrentConfig return AppConfig type', async () => {
-    const type = 'AppCurrentConfig'
     const response = await Skolengo.getAppCurrentConfig()
-    const schema = createGenerator({ ...ajvConfig, type }).createSchema(type)
-
-    const result = ajv.validate(schema, response)
-    if (!result) console.error(ajv.errors)
 
-    expect(result).toBe(true)
+    expect(response).toMatchSchema('AppCurrentConfig')
   })
 
   it('should searchSchool return School type', async () => {
-    const type = 'School'
     const response = await Skolengo.searchSchool({ text: 'Lycée' }, 10)
-    const schema = createGenerator({ ...ajvConfig, type }).createSchema(type)
-    for (const school of response) {
-      const result = ajv.validate(schema, school)
-      if (!result) console.error(ajv.errors)
 
-      expect(result).toBe(true)
+    for (const school of response) {
+      expect(school).toMatchSchema('School')
     }
   })
 })
diff --git a/test/user.test.ts b/test/user.test.ts
index bcb5552..d11b318 100644
--- a/test/user.test.ts
+++ b/test/user.test.ts
@@ -1,23 +1,14 @@
 import { describe, expect } from '@jest/globals'
-import type { Config } from 'ts-json-schema-generator'
-import { createGenerator } from 'ts-json-schema-generator'
 import { Skolengo } from '../src/index'
-import Ajv from 'ajv'
+import './common'
 
 const SKOLENGO_TOKENSET = process.env.SKOLENGO_TOKENSET
 const describeAuthenticated = SKOLENGO_TOKENSET !== undefined ? describe : describe.skip
 
-const ajv = new Ajv()
-
-const ajvConfig: Config = {
-  path: 'src/**/*.ts',
-  tsconfig: 'tsconfig.json'
-}
-
 /**
  * Tests unitaires des endpoints qui nécessitent une authentification
  */
-describeAuthenticated('Test Skolengo API types - User logged in', () => {
+describeAuthenticated('Test Skolengo API types - Authenticated user', () => {
   let user: Skolengo
   let userPermissions: string[] = []
 
@@ -29,38 +20,23 @@ describeAuthenticated('Test Skolengo API types - User logged in', () => {
   })
 
   it('should getUserInfo return User type', async () => {
-    const type = 'User'
     const response = await user.getUserInfo()
-    const schema = createGenerator({ ...ajvConfig, type }).createSchema(type)
-
-    const result = ajv.validate(schema, response)
-    if (!result) console.error(ajv.errors)
 
-    expect(result).toBe(true)
+    expect(response).toMatchSchema('User')
   })
 
   it('should getEvaluationSettings return EvaluationSettings type', async () => {
     if (!userPermissions.includes('READ_EVALUATIONS')) return
-    const type = 'EvaluationSettings'
     const response = await user.getEvaluationSettings()
-    const schema = createGenerator({ ...ajvConfig, type }).createSchema(type)
 
     for (const evaluationSettings of response) {
-      const result = ajv.validate(schema, evaluationSettings)
-      if (!result) console.error(ajv.errors)
-
-      expect(result).toBe(true)
+      expect(evaluationSettings).toMatchSchema('EvaluationSettings')
     }
   })
 
   it('should getUsersMailSettings return UsersMailSettings type', async () => {
-    const type = 'UsersMailSettings'
     const response = await user.getUsersMailSettings()
-    const schema = createGenerator({ ...ajvConfig, type }).createSchema(type)
-
-    const result = ajv.validate(schema, response)
-    if (!result) console.error(ajv.errors)
 
-    expect(result).toBe(true)
+    expect(response).toMatchSchema('UsersMailSettings')
   })
 })