Fix tests.

Author: eerhardt

src/Microsoft.Data.DataView/DataViewSchema.cs

@@ -237,7 +237,7 @@ public void GetValue<TValue>(string kind, ref TValue value)
             {
                 var column = Schema.GetColumnOrNull(kind);
                 if (column == null)
-                    throw new InvalidOperationException($"Invalid call to '{nameof(GetGetter)}'");
+                    throw new InvalidOperationException($"Invalid call to '{nameof(GetValue)}'");
                 GetGetter<TValue>(column.Value.Index)(ref value);
             }
 

test/Microsoft.ML.TestFramework/DataPipe/TestDataPipeBase.cs

@@ -632,9 +632,9 @@ protected bool CheckMetadataCallFailure(string kind, DataViewSchema sch, int col
             }
             catch (InvalidOperationException ex)
             {
-                if (ex.Message != "Invalid call to GetMetadata")
+                if (ex.Message != "Invalid call to 'GetValue'")
                 {
-                    Fail("Message from GetMetadata failed call doesn't match expected message: {0}", ex.Message);
+                    Fail("Message from GetValue failed call doesn't match expected message: {0}", ex.Message);
                     return Failed();
                 }
             }