Add testcase fix for IO-269

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/io/trunk@1090718 13f79535-47bb-0310-9956-ffa450edef68

Author: sebbASF

src/test/java/org/apache/commons/io/input/TailerTest.java

@@ -89,6 +89,10 @@ public void testTailer() throws Exception {
 
         // Delete & re-create
         file.delete();
+        boolean exists = file.exists();
+        String osname = System.getProperty("os.name");
+        boolean isWindows = osname.startsWith("Windows");
+        assertFalse("File should not exist (except on Windows)", exists && !isWindows);
         createFile(file, 0);
         Thread.sleep(delay * 2);