Revert "Adjust local test class run with Gradle-Build as well"

This reverts commit 76be95541f.

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1773663 13f79535-47bb-0310-9956-ffa450edef68

src/testcases/org/apache/poi/hssf/dev/TestOneFile.java

@@ -16,7 +16,8 @@
 ==================================================================== */
 package org.apache.poi.hssf.dev;
 
-import org.apache.poi.POIDataSamples;
+import java.io.File;
+
 import org.junit.Test;
 
 public class TestOneFile {
@@ -24,7 +25,7 @@ public class TestOneFile {
     public void test() throws Exception {
         //Biff8EncryptionKey.setCurrentUserPassword("blabla");
         TestEFBiffViewer test = new TestEFBiffViewer();
-        test.file = POIDataSamples.getSpreadSheetInstance().getFile("50833.xls");
+        test.file = new File("test-data/spreadsheet/50833.xls"); 
         test.testMain();
     }
 }