// ## Act ##
        String result = response.getContentAsString();

        // ## Assert ##
        assertEquals(content, result);
    }

    @Test
    public void test_GetContentAsString_FileBasedCache() throws IOException {
        // ## Arrange ##
        String content = "File-based content test";
        java.io.File tmpFile = java.io.File.createTempFile("response-test-", ".tmp");