Fix test case

Author: egregius313

csharp/ql/test/library-tests/dataflow/library/FlowSummaries.expected

@@ -250,6 +250,8 @@ sink
 | Dapper;SqlMapper;QuerySingleOrDefaultAsync;(System.Data.IDbConnection,System.String,System.Object,System.Data.IDbTransaction,System.Nullable<System.Int32>,System.Nullable<System.Data.CommandType>);Argument[1];sql-injection;manual |
 | Dapper;SqlMapper;QuerySingleOrDefaultAsync;(System.Data.IDbConnection,System.Type,System.String,System.Object,System.Data.IDbTransaction,System.Nullable<System.Int32>,System.Nullable<System.Data.CommandType>);Argument[2];sql-injection;manual |
 | Dapper;SqlMapper;QuerySingleOrDefaultAsync<T>;(System.Data.IDbConnection,System.String,System.Object,System.Data.IDbTransaction,System.Nullable<System.Int32>,System.Nullable<System.Data.CommandType>);Argument[1];sql-injection;manual |
+| Microsoft.AspNetCore.Components;MarkupString;MarkupString;(System.String);Argument[0];html-injection;manual |
+| Microsoft.AspNetCore.Components;MarkupString;op_Explicit;(System.String);Argument[0];html-injection;manual |
 | Microsoft.EntityFrameworkCore;RelationalDatabaseFacadeExtensions;ExecuteSqlRaw;(Microsoft.EntityFrameworkCore.Infrastructure.DatabaseFacade,System.String,System.Collections.Generic.IEnumerable<System.Object>);Argument[1];sql-injection;manual |
 | Microsoft.EntityFrameworkCore;RelationalDatabaseFacadeExtensions;ExecuteSqlRaw;(Microsoft.EntityFrameworkCore.Infrastructure.DatabaseFacade,System.String,System.Object[]);Argument[1];sql-injection;manual |
 | Microsoft.EntityFrameworkCore;RelationalDatabaseFacadeExtensions;ExecuteSqlRawAsync;(Microsoft.EntityFrameworkCore.Infrastructure.DatabaseFacade,System.String,System.Collections.Generic.IEnumerable<System.Object>,System.Threading.CancellationToken);Argument[1];sql-injection;manual |