### Question:
LogFeederSolrClientFactory { @VisibleForTesting String[] appendTo(String toAppend, String... appendees) { for (int i = 0; i < appendees.length; i++) { appendees[i] = appendees[i] + toAppend; } return appendees; }  SolrClient createSolrClient(String zkConnectionString, String[] solrUrls, String collection, boolean discover);  }### Answer:
@Test public void testAppendTo() { String toAppend = "/mycollection"; String[] appendees = new String[]{"http: String[] result = underTest.appendTo(toAppend, appendees); assertEquals("http: assertEquals("http: }