chore: try to fix karma test failure

src/MusicalScore/Graphical/MusicSheetCalculator.ts

@@ -66,7 +66,7 @@ import { AbstractTempoExpression } from "../VoiceData/Expressions/AbstractTempoE
 import { GraphicalInstantaneousDynamicExpression } from "./GraphicalInstantaneousDynamicExpression";
 import { ContDynamicEnum } from "../VoiceData/Expressions/ContinuousExpressions/ContinuousDynamicExpression";
 import { GraphicalContinuousDynamicExpression } from "./GraphicalContinuousDynamicExpression";
-import { FillEmptyMeasuresWithWholeRests } from "../../OpenSheetMusicDisplay";
+import { FillEmptyMeasuresWithWholeRests } from "../../OpenSheetMusicDisplay/OSMDOptions";
 
 /**
  * Class used to do all the calculations in a MusicSheet, which in the end populates a GraphicalMusicSheet.