code: @Test public void createRawTableTestWithMetadata() throws IOException {
    int fileId=mTfs.createRawTable("/tables/table1",20,TestUtils.getIncreasingByteBuffer(9));
    RawTable table=mTfs.getRawTable(fileId);
    Assert.assertEquals(fileId,table.getId());
    Assert.assertEquals("/tables/table1",table.getPath());
    Assert.assertEquals(20,table.getColumns());
    Assert.assertEquals(TestUtils.getIncreasingByteBuffer(9),table.getMetadata());
    table=mTfs.getRawTable("/tables/table1");
    Assert.assertEquals(fileId,table.getId());
    Assert.assertEquals("/tables/table1",table.getPath());
    Assert.assertEquals(20,table.getColumns());
    Assert.assertEquals(TestUtils.getIncreasingByteBuffer(9),table.getMetadata());
  }
  