/** Drop fact_without_wt table if exixsts. */
 public static void dropFactIfExists() {
   LensFactCommands command = getCommand();
   String factList = command.showFacts(null);
   if (factList.contains(FACT_NAME)) {
     command.dropFact(FACT_NAME, false);
     TestLensStorageCommands.dropStorage(FACT_LOCAL);
   }
 }
 private void dropSampleCube() {
   getCubeCommand().dropCube(CUBE_NAME);
   TestLensStorageCommands.dropStorage(FACT_LOCAL);
 }
 /**
  * Test storage commands.
  *
  * @throws IOException
  */
 @Test
 public void testStorageCommands() throws IOException {
   addLocalStorage("local_storage_test");
   testUpdateStorage("local_storage_test");
   dropStorage("local_storage_test");
 }