Testing that WI.TextRange works.


== Running test suite: WI.TextRange
-- Running test case: resolveOffsetsNoTrailingLineBreak
PASS: startOffset should be 1.
PASS: endOffset should be 0.

-- Running test case: resolveOffsetsTrailingLineBreak
PASS: startOffset should be 1.
PASS: endOffset should be 14.

-- Running test case: resolveOffsetsTwoTrailingLineBreaks
PASS: startOffset should be 1.
PASS: endOffset should be 14.