test HTMLTableAccessible::IsProbablyForLayout implementation

Mozilla Bug 495388 Mozilla Bug 690222 Mozilla Bug 693948 Mozilla Bug 696975

Sender | Subject | Date
--- | --- | ---
Marco | Test | June 12
David | Another test | June 12
Alex | Third test | June 12

Cell1 | cell2

Sender | Subject | Date
--- | --- | ---
Marco | Test | June 12
David | Another test | June 12
Alex | Third test | June 12

Cell1 | cell2

This is a table
Cell1 | cell2

Cell1 | cell2

Cell1 | cell2

Cell1 | cell2

Cell1 | cell2

Cell1 | cell2

Cell1 | cell2
--- | ---

table6.2 cell

table6.2.2 cell

table6.2.3 cell1

table6.3 cell1 | table6.3 cell2

abbr

This is a really long text (tiarlt) inside layout table

Cell

Row1
Row2

Col1 | Col2 | Col3 | Col4 | Col5

Col1 | Col2 | Col3 | Col4 | Col5
Col1 | Col2 | Col3 | Col4 | Col5

Col1 | Col2 | Col3
Col1 | Col2 | Col3
Col1 | Col2 | Col3
Col1 | Col2 | Col3
Col1 | Col2 | Col3
Col1 | Col2 | Col3
Col1 | Col2 | Col3
Col1 | Col2 | Col3
Col1 | Col2 | Col3
Col1 | Col2 | Col3
Col1 | Col2 | Col3
Col1 | Col2 | Col3
Col1 | Col2 | Col3
Col1 | Col2 | Col3
Col1 | Col2 | Col3
Col1 | Col2 | Col3
Col1 | Col2 | Col3
Col1 | Col2 | Col3
Col1 | Col2 | Col3
Col1 | Col2 | Col3
Col1 | Col2 | Col3

Col1 | Col2 | Col3
Col1 | Col2 | Col3

Col1 | Col2 | Col3
Col1 | Col2 | Col3

Marco | Test | June 12
David | Another test | June 12
Alex | Third test | June 12

Cell1 | Cell2

table
Cell

Cell

Cell

Cell

Cell

Cell

Cell1 | cell2

Row 1, column 1
Row 1, column 2
Row 1, column 3