Fix code coverage

PlagueHO · PlagueHO · commit f7a2968455b7 · 2018-04-27T19:09:07.000+12:00
diff --git a/appveyor.yml b/appveyor.yml
@@ -26,6 +26,7 @@ test_script:
         Invoke-AppveyorTestScriptTask `
             -Type 'Harness' `
             -MainModulePath $mainModuleFolder `
+            -CodeCoverage `
             -CodeCovIo
 
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