Make the following changes in the TestingModule.csproj file.
	
<IISUrl>http://localhost/DNN/desktopmodules/TestingModule</IISUrl>
<IISAppRootUrl>http://localhost/DNN/</IISAppRootUrl>
	
<ProjectExtensions>
    <VisualStudio>
        <FlavorProperties GUID="{31-65df-11da-9384-00065123321}">
            <WebProjectProperties>
                <UseIIS>True</UseIIS>
                <AutoAssignPort>False</AutoAssignPort>
                <DevelopmentServerPort>0</DevelopmentServerPort>
                <DevelopmentServerVPath>
                </DevelopmentServerVPath>
                <IISUrl>http://localhost/DNN/desktopmodules/TestingModule</IISUrl>
                <OverrideIISAppRootUrl>True</OverrideIISAppRootUrl>
                <IISAppRootUrl>http://localhost/DNN/</IISAppRootUrl>
                <NTLMAuthentication>False</NTLMAuthentication>
                <UseCustomServer>False</UseCustomServer>
                <CustomServerUrl>
                </CustomServerUrl>
                <SaveServerSettingsInUserFile>False</SaveServerSettingsInUserFile>
            </WebProjectProperties>
        </FlavorProperties>
    </VisualStudio>
</ProjectExtensions>