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level3/core/textreplacewholetext04: Tries to check the wholeText of the replaceWholeText returned value. However, when the replacement text is the empty string, replaceWholeText removes the node(s) and returns null, so the call to getWholeText will fail. The case for replaceWholeText returning null is already checked for in textreplacewholetext02.
Created attachment 173 [details] Asserts that return value is null