[SI-77]: Bugfix; Map Signed-off-by: Dennis Schmitt <dennis.schmitt@pta.de>

diff --git a/projects/openk/grid-failure-information-map/src/lib/grid-failure-information-map.component.spec.ts b/projects/openk/grid-failure-information-map/src/lib/grid-failure-information-map.component.spec.ts
index 415d720..250e315 100644
--- a/projects/openk/grid-failure-information-map/src/lib/grid-failure-information-map.component.spec.ts
+++ b/projects/openk/grid-failure-information-map/src/lib/grid-failure-information-map.component.spec.ts

@@ -13,6 +13,7 @@
 
 import { GridFailureInformationMapComponent } from '@openk-libs/grid-failure-information-map/lib/grid-failure-information-map.component';
 import * as L from 'leaflet';
+import { async } from '@angular/core/testing';
 
 describe('GridFailureInformationMapComponent', () => {
   let component: GridFailureInformationMapComponent;
@@ -24,7 +25,7 @@
   it('should create', () => {
     expect(component).toBeTruthy();
   });
-  it('should call _initMap() and _setMarker after calling ngAfterViewInit', () => {
+  it('should call _initMap() and _setMarker after calling ngAfterViewInit', async(() => {
     const latitude: any = 123;
     const longitude: any = 456;
     component.mapData = [{ latitude: latitude, longitude: longitude }];
@@ -36,5 +37,5 @@
     expect(spyMap).toHaveBeenCalled();
     expect(spyTileLayer).toHaveBeenCalled();
     expect(spyMarker).toHaveBeenCalledWith([latitude, longitude], { icon: (component as any)._icon });
-  });
+  }));
 });

diff --git a/projects/openk/grid-failure-information-map/src/lib/grid-failure-information-map.component.ts b/projects/openk/grid-failure-information-map/src/lib/grid-failure-information-map.component.ts
index e1c5d07..a1948e2 100644
--- a/projects/openk/grid-failure-information-map/src/lib/grid-failure-information-map.component.ts
+++ b/projects/openk/grid-failure-information-map/src/lib/grid-failure-information-map.component.ts

@@ -20,9 +20,11 @@
   styleUrls: ['./grid-failure-information-map.component.scss'],
 })
 export class GridFailureInformationMapComponent implements AfterViewInit {
+  private _mapData: Array<any>;
   @Input()
   public set mapData(v: Array<any>) {
-    this._setMarker(v);
+    this._mapData = v;
+    this._setMarker();
   }
 
   private _map: any;
@@ -36,6 +38,7 @@
 
   ngAfterViewInit(): void {
     this._initMap();
+    this._setMarker();
   }
 
   private _initMap(): void {
@@ -51,11 +54,13 @@
     tiles.addTo(this._map);
   }
 
-  private _setMarker(mapData: Array<any>) {
-    mapData.forEach(gridFailure => {
-      if (gridFailure.latitude && gridFailure.longitude) {
-        L.marker([gridFailure.latitude, gridFailure.longitude], { icon: this._icon }).addTo(this._map);
-      }
-    });
+  private _setMarker() {
+    !!this._map &&
+      !!this._mapData &&
+      this._mapData.forEach(gridFailure => {
+        if (gridFailure.latitude && gridFailure.longitude) {
+          L.marker([gridFailure.latitude, gridFailure.longitude], { icon: this._icon }).addTo(this._map);
+        }
+      });
   }
 }