| PASS: Initial value of datagrid.columns is defined. | |
| PASS: Initial length of datagrid.columns is 2. | |
| PASS: The column's ID is from as expected. | |
| PASS: The column's label is From as expected. | |
| PASS: The column's type is text as expected. | |
| PASS: The column's primary property is true as expected. | |
| PASS: The column's sortable property is 2 as expected. | |
| PASS: The first column is the primary column. | |