Fix for CVE-2020-26217 in x-stream/xstream (project x-stream__xstream_CVE-2020-26217_1.4.14), commit 0fec095d534126931c99fd38e9c6d41f5c685c1a
Fixed file: xstream/src/test/com/thoughtworks/acceptance/SecurityVulnerabilityTest.java
Fixed class: SecurityVulnerabilityTest (lines 27-145)
Fixed method: testCannotInjectEventHandler (lines 40-58)
Method signature: void testCannotInjectEventHandler()