Test for import and include features

Should see a table with rows in blue text, the second row with a yellow background, the corner empty cell with a black background, the column headers underlined, and the row headers in red and underlined.

Column 1 Column 2 Column 3
Row1 Row 1, Column 1 Row 1, Column 2 Row 1, Column 3
Row2 Row 2, Column 1 Row 2, Column 2 Row 2, Column 3
Row3 Row 3, Column 1 Row 3, Column 2 Row 3, Column 3
Row4 Row 4, Column 1 Row 4, Column 2 Row 4, Column 3
Row5 Row 5, Column 1 Row 5, Column 2 Row 5, Column 3