adding tests for angular sanitize

angularjs/angular-sanitize-tests.ts

@@ -0,0 +1,10 @@
+/// <reference path="angular-sanitize.d.ts" />
+
+var shouldBeString: string;
+
+declare var $sanitizeService: ng.sanitize.ISanitizeService;
+shouldBeString = $sanitizeService(shouldBeString);
+
+declare var $linky: ng.sanitize.filter.ILinky;
+shouldBeString = $linky(shouldBeString);
+shouldBeString = $linky(shouldBeString, shouldBeString);