Remove empty files, Ref: #373

src/app/components/drawings-listeners/drawing-added/drawing-added.component.spec.ts

@@ -58,7 +58,7 @@ describe('DrawingAddedComponent', () => {
     component.project = { project_id: 'sampleId' } as Project;
     component.selectedDrawing = 'rectangle';
     const pointToAddSelectedDataEvent = new AddedDataEvent(0, 0);
-    spyOn(mockedDrawingService, 'add').and.returnValue(Observable.of({}));
+    spyOn(mockedDrawingService, 'add').and.returnValue(Observable.of());
 
     mockedDrawingsEventSource.pointToAddSelected.emit(pointToAddSelectedDataEvent);
 

src/app/components/drawings-listeners/drawing-dragged/drawing-dragged.component.spec.ts

@@ -57,7 +57,7 @@ describe('DrawingDraggedComponent', () => {
       element: mapDrawingElement
     };
     const drawingDraggedDataEvent = new DraggedDataEvent<MapDrawing>(mapDrawing, 0, 0);
-    spyOn(mockedDrawingService, 'updatePosition').and.returnValue(Observable.of({}));
+    spyOn(mockedDrawingService, 'updatePosition').and.returnValue(Observable.of());
 
     mockedDrawingsEventSource.dragged.emit(drawingDraggedDataEvent);
 

src/app/components/drawings-listeners/drawing-resized/drawing-resized.component.spec.ts

@@ -60,7 +60,7 @@ describe('DrawingResizedComponent', () => {
       element: mapDrawingElement
     };
     const drawingResizedDataEvent = new ResizedDataEvent<MapDrawing>(mapDrawing, 0, 0, 100, 100);
-    spyOn(mockedDrawingService, 'updateSizeAndPosition').and.returnValue(Observable.of({}));
+    spyOn(mockedDrawingService, 'updateSizeAndPosition').and.returnValue(Observable.of());
 
     mockedDrawingsEventSource.resized.emit(drawingResizedDataEvent);
 

src/app/components/drawings-listeners/node-dragged/node-dragged.component.spec.ts

@@ -68,7 +68,7 @@ describe('NodeDraggedComponent', () => {
       z: 0
     };
     const draggedDataEvent = new DraggedDataEvent<MapNode>(mapNode, 0, 0);
-    spyOn(mockedNodeService, 'updatePosition').and.returnValue(Observable.of({}));
+    spyOn(mockedNodeService, 'updatePosition').and.returnValue(Observable.of());
 
     mockedNodesEventSource.dragged.emit(draggedDataEvent);
 

src/app/components/drawings-listeners/node-label-dragged/node-label-dragged.component.spec.ts

@@ -63,7 +63,7 @@ describe('NodeLabelDraggedComponent', () => {
       nodeId: 'node id'
     };
     const nodeDraggedDataEvent = new DraggedDataEvent<MapLabel>(mapLabel, 0, 0);
-    spyOn(mockedNodeService, 'updateLabel').and.returnValue(Observable.of({}));
+    spyOn(mockedNodeService, 'updateLabel').and.returnValue(Observable.of());
 
     mockedNodesEventSource.labelDragged.emit(nodeDraggedDataEvent);
 

src/app/components/drawings-listeners/text-added/text-added.component.spec.ts

@@ -59,7 +59,7 @@ describe('TextAddedComponent', () => {
   it('should call drawing service when text added', () => {
     component.project = { project_id: 'sampleId' } as Project;
     const textAddedDataEvent = new TextAddedDataEvent('savedText', 0, 0);
-    spyOn(mockedDrawingService, 'add').and.returnValue(Observable.of({}));
+    spyOn(mockedDrawingService, 'add').and.returnValue(Observable.of());
 
     mockedDrawingsEventSource.textAdded.emit(textAddedDataEvent);
 

src/app/components/drawings-listeners/text-edited/text-edited.component.spec.ts

@@ -55,7 +55,7 @@ describe('TextEditedComponent', () => {
       text_decoration: 'sample decoration'
     };
     const textEditedDataEvent = new TextEditedDataEvent('id', 'edited text', textElement);
-    spyOn(mockedDrawingService, 'updateText').and.returnValue(Observable.of({}));
+    spyOn(mockedDrawingService, 'updateText').and.returnValue(Observable.of());
 
     mockedDrawingsEventSource.textEdited.emit(textEditedDataEvent);