@Test
    void verifyFileBody() throws Throwable {
        val file = Files.createTempFile("phonecall", ".txt");
        Files.writeString(file.toAbsolutePath(), "Hello CAS");
        val body = PhoneCallBodyBuilder.builder()
            .properties(new PhoneProperties().setText(file.toAbsolutePath().toString()))
            .build().get();
        assertEquals("Hello CAS", body);
    }
This is {@link PhoneCallBodyBuilderTests}.

@author Misagh Moayyed
@since 7.0.0
core/cas-server-core-notifications/src/test/java/org/apereo/cas/notifications/call/PhoneCallBodyBuilderTests.java