@Test
    public void resolve_FileWithSpaceAndRelative() throws Exception {
        String path = getPath("some secret.json").toAbsolutePath().toString();
        String input = Paths.get("").toUri().relativize(new File(path).toURI()).getPath();
        String output = resolve("${readFile:" + input + "}");
        assertThat(output, equalTo(FILE.lookup(input)));
        assertThat(output, containsString("\"Our secret\": \"Hello World\""));
    }
Ensures that prefixes in the secret ID which are not covered by the CasC protocol substitutors (e.g. base64:, file:)
are left untouched and not removed.
plugin/src/test/java/io/jenkins/plugins/casc/SecretSourceResolverTest.java