added unit tests for dashboardProvider
added unit tests for dashboardProvider

sportradar/angular-dashboard-framework,reshak/angular-dashboard-framework,vmoll/angular-dashboard-framework,sdorra/angular-dashboard-framework,ugbandula/angular-dashboard-framework,raulgomis/angular-dashboard-framework,gcnonato/angular-dashboard-framework,WarlaxZ/angular-dashboard-framework,reshak/angular-dashboard-framework,geshan/angular-dashboard-framework,Traperto/angular-dashboard-framework,Jst10/angular-dashboard-framework,raulgomis/angular-dashboard-framework,VitoTAP/angular-dashboard-framework,sdorra/angular-dashboard-framework,Healy-Hudson-Portugal/angular-dashboard,reshak/angular-dashboard-framework,WarlaxZ/angular-dashboard-framework,bojanbass/angular-dashboard-framework,reshak/angular-dashboard-framework,geshan/angular-dashboard-framework,alexandergorokhov/weather,mono-software/angular-dashboard-framework,hotschedules/angular-dashboard-framework,VitoTAP/angular-dashboard-framework,Healy-Hudson-Portugal/angular-dashboard,vmoll/angular-dashboard-framework,ugbandula/angular-dashboard-framework,angular-dashboard-framework/angular-dashboard-framework,Jst10/angular-dashboard-framework,chambleton/angular-dashboard-framework,getshuvo/angular-dashboard-framework,gcnonato/angular-dashboard-framework,sportradar/angular-dashboard-framework,getshuvo/angular-dashboard-framework,mono-software/angular-dashboard-framework,voixen/angular-dashboard-framework,bojanbass/angular-dashboard-framework,codedward/angular-dashboard-framework,hotschedules/angular-dashboard-framework,voixen/angular-dashboard-framework,Traperto/angular-dashboard-framework,alexandergorokhov/weather,SoftwareCraftsmen/angular-dashboard-framework,angular-dashboard-framework/angular-dashboard-framework,codedward/angular-dashboard-framework,SoftwareCraftsmen/angular-dashboard-framework,tweetzal/angular-dashboard-framework,chambleton/angular-dashboard-framework,tweetzal/angular-dashboard-framework