Add missing @Test annotation to testGetHeaderMap()

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/csv/trunk@1460126 13f79535-47bb-0310-9956-ffa450edef68

src/test/java/org/apache/commons/csv/CSVParserTest.java

@@ -577,6 +577,7 @@ public class CSVParserTest {
         assertFalse(records.hasNext());
     }
 
+    @Test
     public void testGetHeaderMap() throws Exception {
         final CSVParser parser = new CSVParser("a,b,c\n1,2,3\nx,y,z", CSVFormat.newBuilder().withHeader("A", "B", "C").build());
         final Map<String, Integer> headerMap = parser.getHeaderMap();