in src/main/java/org/apache/sling/testing/junit/rules/instance/util/ContextPathAllocator.java [43:56]
public String generateContextPath() {
int start = (int) 'a', end = (int) 'z';
String contextPath = "";
Random random = new Random();
for (int i = 0; i < 8; i++) {
int next = start + random.nextInt(end - start);
contextPath += Character.toString((char) next);
}
return contextPath;
}