https://gist.github.com/mpalourdio/6a6afabcc4824b08e8f580d32e11caef
Spring Security : MockMvc tests with XorCsrfTokenRequestAttributeHandler - Custom...
Spring Security : MockMvc tests with XorCsrfTokenRequestAttributeHandler - Custom RequestPostProcessor - XorCsrfRequestPostProcessor.java
spring securitymockmvctestscustom