in src/it/java/com/epam/digital/data/platform/el/juel/it/digsignature/SignatureContentJuelFunctionIT.java [73:86]
void shouldProcessRuntimeErrorWhenGettingContentFromSignature() throws IOException {
mockConnectToKeycloak();
digitalSignatureService.addStubMapping(
stubFor(post(urlPathMatching("/api/esignature/content"))
.withRequestBody(equalTo("{\"data\":\"dGVzdERhdGE=\",\"container\":\"CADES\"}"))
.willReturn(aResponse().withStatus(502)
.withHeader("Content-type", "application/json")
.withBody("{\"message\":\"Bad Gateway\"}"))));
var exception = assertThrows(ScriptEvaluationException.class,
() -> runtimeService().startProcessInstanceByKey("signature_content_error"));
assertThat(exception.getMessage(),
matchesPattern(".*SignatureProcessingException: \\[502 Bad Gateway] .*"));
}