Update test - disable required check to render all examples

Test default behaviour when required check is not disabled

renderer/mock_generator_test.go

@@ -6,6 +6,7 @@ package renderer
 import (
 	"context"
 	"encoding/json"
+
 	"github.com/pb33f/libopenapi/datamodel/high/base"
 	"github.com/pb33f/libopenapi/datamodel/low"
 	lowbase "github.com/pb33f/libopenapi/datamodel/low/base"
@@ -443,9 +444,46 @@ properties:
 
 	fake := createFakeMock(yml, nil, nil)
 	mg := NewMockGenerator(JSON)
+	mg.DisableRequiredCheck()
 
 	mock, err := mg.GenerateMock(fake, "")
 	require.NoError(t, err)
 
 	assert.Equal(t, `{"active":true,"balance":99.99,"id":123,"name":"John Doe","tags":["tag1","tag2","tag3"]}`, string(mock))
 }
+
+func TestMockGenerator_GenerateExamplesForRequiredProperties(t *testing.T) {
+
+	yml := `type: object
+required:
+  - id
+  - name
+properties:
+  id:
+    type: integer
+    example: 123
+  name:
+    type: string
+    example: "John Doe"
+  active:
+    type: boolean
+    example: true
+  balance:
+    type: number
+    format: float
+    example: 99.99
+  tags:
+    type: array
+    items:
+      type: string
+    example: ["tag1", "tag2", "tag3"]
+`
+
+	fake := createFakeMock(yml, nil, nil)
+	mg := NewMockGenerator(JSON)
+
+	mock, err := mg.GenerateMock(fake, "")
+	require.NoError(t, err)
+
+	assert.Equal(t, `{"id":123,"name":"John Doe"}`, string(mock))
+}