пример mock jwt
val keyPair = SIG.RS256.keyPair().build()
val tokenWithClaims: String = Jwts.builder()
.subject(CLIENT_ID)
.claim(“azp”, CLIENT_ID)
.expiration(Date(System.currentTimeMillis() + 360000))
.issuer(“https://keycloak-top-qa.tinkoff.ru/realms/master”)
.signWith(keyPair.private)
.compact()
val tokenBody = """
{
“access_token”: “$tokenWithClaims”,
“refresh_token”: “some-refresh-token”,
“token_type”: “bearer”,
“expires”: 9999999
}
""".trimIndent()