udpates health check and service methods to be flexible for data integrity checks, fixes tests

src/Umbraco.Core/Models/ContentDataIntegrityReportOptions.cs

@@ -0,0 +1,13 @@
+namespace Umbraco.Core.Models
+{
+    public class ContentDataIntegrityReportOptions
+    {
+        /// <summary>
+        /// Set to true to try to automatically resolve data integrity issues
+        /// </summary>
+        public bool FixIssues { get; set; }
+
+        // TODO: We could define all sorts of options for the data integrity check like what to check for, what to fix, etc...
+        // things like Tag data consistency, etc... 
+    }
+}