Fix up a typo in the unit tests.
Fix up a typo in the unit tests.

jfhbrook/node-ecstatic,krikx/node-ecstatic,clee/node-ecstatic,krikx/node-ecstatic,mk-pmb/node-ecstatic,jfhbrook/node-ecstatic,ngs/node-ecstatic,dotnetCarpenter/node-ecstatic,dotnetCarpenter/node-ecstatic,mk-pmb/node-ecstatic,ngs/node-ecstatic,clee/node-ecstatic,mk-pmb/node-ecstatic,jfhbrook/node-ecstatic,dotnetCarpenter/node-ecstatic