if (daemonJvmProperties.isFile()) {
            Properties properties = GUtil.loadProperties(daemonJvmProperties);
            String requestedVersion = properties.getProperty("toolchainVersion");
            if (requestedVersion != null) {
                try {
                    JavaVersion requestedJavaVersion = JavaVersion.toVersion(requestedVersion);

		cfg.SetGOROOT(cfg.GOROOT, true)
		gover.TestVersion = os.Getenv("TESTGO_VERSION")
		toolchain.TestVersionSwitch = os.Getenv("TESTGO_VERSION_SWITCH")
		if v := os.Getenv("TESTGO_TOOLCHAIN_VERSION"); v != "" {
			work.ToolchainVersion = v
		}

		if testGOROOT := os.Getenv("TESTGO_GOROOT"); testGOROOT != "" {
			// Disallow installs to the GOROOT from which testgo was built.

                task.getPropertiesFile().convention(project.getLayout().getProjectDirectory().file(DaemonJvmPropertiesDefaults.DAEMON_JVM_PROPERTIES_FILE));
                task.getJvmVersion().convention(DaemonJvmPropertiesDefaults.TOOLCHAIN_VERSION);
            });
        }
    }

        when:
        run "updateDaemonJvm", "--toolchain-vendor=$vendor"

        then:
        assertJvmCriteria(DaemonJvmPropertiesDefaults.TOOLCHAIN_VERSION, vendor)

        where:
        vendor << ["ADOPTIUM", "ADOPTOPENJDK", "AMAZON", "APPLE", "AZUL", "BELLSOFT", "GRAAL_VM", "HEWLETT_PACKARD", "IBM", "JETBRAINS", "MICROSOFT", "ORACLE", "SAP", "TENCENT", "UNKNOWN"]
    }

	toolchainVersions := func(reqs []module.Version) (goV, toolchain string) {
		for _, req := range reqs {
			if req.Path == "go" {
				goV = req.Version
			}
			if req.Path == "toolchain" {
				toolchain = req.Version
			}
		}
		return
	}
	oldGo, oldToolchain := toolchainVersions(oldReqs)
	newGo, newToolchain := toolchainVersions(newReqs)