Revert "try to get it working"

This reverts commit 7bcc608e98cd2300bf7fcfeb8ca6fbd8f5fd69a0.

Since it was working just fine before, no point in fixing unit tests
by disabling them.

sal/qa/osl/file/osl_old_test_file.cxx

@@ -67,10 +67,10 @@ public:
     void test_file_004();
 
     CPPUNIT_TEST_SUITE( oldtestfile );
-//    CPPUNIT_TEST( test_file_001 );
+    CPPUNIT_TEST( test_file_001 );
     CPPUNIT_TEST( test_file_002 );
     // so buggy!! CPPUNIT_TEST( test_file_003 );
-//    CPPUNIT_TEST( test_file_004 );
+    CPPUNIT_TEST( test_file_004 );
     CPPUNIT_TEST_SUITE_END( );
 };