Generic improvements

Results/Entities/MeterTestRslt.cs

@@ -108,5 +108,10 @@ namespace Results.Entities
 		    TestDone = src.TestDone;
             Passed = src.Passed;
         }
+
+        public override string ToString()
+        {
+            return (TestRslt != null) ? Name() : base.ToString();
+        }
     }
 }

Results/Entities/WaterMeter.cs

@@ -144,6 +144,18 @@ namespace Results.Entities
 			return null;
         }
 
+        public virtual TestData GetTestData(string testName)
+        {
+            foreach (var mtr in MeterTestRslts)
+            {
+                if (mtr.TestRslt.TestData.Name == testName)
+                {
+                    return mtr.TestRslt.TestData;
+                }
+            }
+            return null;
+        }
+
 
 
 		/// <summary>