@Test
    public void testMultiValuedMetadata() throws Exception {
        String content = getParamOutContent("-m", resourcePrefix + "testMultipleSheets.numbers");
        assertTrue(content.contains("sheetNames: Checking"));
        assertTrue(content.contains("sheetNames: Secon sheet"));
        assertTrue(content.contains("sheetNames: Logical Sheet 3"));
        assertTrue(content.contains("sheetNames: Sheet 4"));
    }
Tests --list-supported-types option of the cli

@throws Exception
tika-app/src/test/java/org/apache/tika/cli/TikaCLITest.java