Properties#store(OutputStream) doesn't flush the output to the OutputStream #23

    @Test
    void testStoreOutputStream() throws IOException, URISyntaxException {
        Path f = getResource("/test.properties");
        Properties p = Properties.loadProperties(f);
        ByteArrayOutputStream os = new ByteArrayOutputStream();
        p.store(os);
        assertThat(os.toString()).isEqualTo(readAll(f));
    }