[1/2] riched20/tests: Add helpers for simplifying tests of ITextRange and ITextSelection.

[Jactry Zeng]

Signed-off-by: Jactry Zeng <jzeng(a)codeweavers.com>
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  dlls/riched20/tests/richole.c | 97 
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  1 file changed, 64 insertions(+), 33 deletions(-)