e2e tests / unit tests

[stephanebouget]

e2e tests

• I change dimension,axis and comboboxes of the matrix must be reversed
• unfold hierarchy of big file and check displayed values
• I load a large auto-folded file, I unfold it => check that the matrix is ​​indeed auto-folded
• loage huge file, load auto unfold, increase unfold to max, check max value is defined. decrese, check, increse, check

unit tests

• computeNumPartition
• computeCatPartition
• truncateJsonPartition
• checkCollapsedNodesIntegrity