public static String getGradleWorker() {
        // This is the name of the forked gradle worker, i.e. a name for the jvm
        return Objects.requireNonNullElse(
                System.getProperty("org.gradle.test.worker"),
                "0");
    }
Gets an embedded DB datasource for use in tests that don't use guice injection
stroom-test-common/src/main/java/stroom/test/common/util/db/DbTestUtil.java