svg mime type not found

[JoachimR]

 <dependency>
            <groupId>jmimemagic</groupId>
            <artifactId>jmimemagic</artifactId>
            <version>0.1.2</version>
</dependency>

public String getMimeType(byte[] file) throws Exception {
        MagicMatch match = Magic.getMagicMatch(file);
        return match.getMimeType();
}

public void testContentTypeFind() throws Exception {
        TestCase.assertEquals(
                "image/svg+xml",
                getMimeType(filenameToByteArray("public/assets/svg/avatar-1.svg"))
        );
}

Expected :image/svg+xml Actual :text/plain