String p2 = parents.get(1);
            if (p1.equals(targetSha)) {
                prHead = p2;
            } else if (p2.equals(targetSha)) {
                prHead = p1;
            }
        }

        String baseSha = stdout("git", "merge-base", targetSha, prHead).trim();

        System.err.println("Target branch: " + targetBranch + " (" + targetSha + ")");
        System.err.println("PR head: " + prHead);

        Map<String, Object> targetMap = new HashMap<>();
        targetMap.put("existing", "value");
        String configParam = "new.param=value\nconfig.setting=true";
        ParameterUtil.loadConfigParams(targetMap, configParam);
        assertEquals(3, targetMap.size());
        assertEquals("value", targetMap.get("existing"));
        assertEquals("value", targetMap.get("new.param"));

        final Map<String, Object> targetMap =
                available.stream().filter(map -> !map.get("name").toString().startsWith("fess-")).toList().get(0);
        final Artifact target = getArtifactFromMap(targetMap);

        // Install
        {
            checkPostMethod(targetMap, getInstallEndpointSuffix()).then().body("response.status", equalTo(0));