Fix expectRevert accepting partial matches #152
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The bug caused tests using
expectRevertto pass despite the revertReason not fully being correct because of the use ofString.prototype.indexOfto verify if the correct revert reason was contained in the error string. To fix it more robust error parsing logic was added; it is compatible with both old and new VM Exception strings.Discovered this bug in my personal project, tests were passing despite the revert messages not fully being identical.