add missing test case to APIGatewayV2CustomAuthorizerSimpleResponse:Context

Author: Dirk Nilius

events/apigw_test.go

@@ -186,6 +186,7 @@ func TestAPIGatewayV2CustomAuthorizerSimpleResponseMarshalling(t *testing.T) {
 		{"defaults", APIGatewayV2CustomAuthorizerSimpleResponse{}, `{"isAuthorized":false}`},
 		{"without context", APIGatewayV2CustomAuthorizerSimpleResponse{IsAuthorized: true}, `{"isAuthorized":true}`},
 		{"context is nil", APIGatewayV2CustomAuthorizerSimpleResponse{Context: nil}, `{"isAuthorized":false}`},
+		{"context is empty", APIGatewayV2CustomAuthorizerSimpleResponse{Context: map[string]interface{}{}}, `{"isAuthorized":false}`},
 		{"context with basic types", APIGatewayV2CustomAuthorizerSimpleResponse{Context: map[string]interface{}{"string": "value", "bool": true, "number": 1234}}, `{"isAuthorized":false,"context":{"string":"value","bool":true,"number":1234}}`},
 		{"context with array", APIGatewayV2CustomAuthorizerSimpleResponse{Context: map[string]interface{}{"array": []string{"value1", "value2"}}}, `{"isAuthorized":false,"context":{"array":["value1","value2"]}}`},
 		{"context with map", APIGatewayV2CustomAuthorizerSimpleResponse{Context: map[string]interface{}{"map": map[string]string{"key": "value"}}}, `{"isAuthorized":false,"context":{"map":{"key":"value"}}}`},