C#: Add expected output from running the test.

Author: michaelnebel

csharp/ql/test/utils/model-generator/CaptureSummaryModels.expected

@@ -0,0 +1,7 @@
+| Summaries;BasicFlow;false;AssignToArray;(System.Int32,System.Int32[]);Argument[0];Argument[1].Element;taint |
+| Summaries;BasicFlow;false;ReturnArrayElement;(System.Int32[]);Argument[0].Element;ReturnValue;taint |
+| Summaries;BasicFlow;false;ReturnParam0;(System.String,System.Object);Argument[0];ReturnValue;taint |
+| Summaries;BasicFlow;false;ReturnParam1;(System.String,System.Object);Argument[1];ReturnValue;taint |
+| Summaries;BasicFlow;false;ReturnParamMultiple;(System.Object,System.Object);Argument[0];ReturnValue;taint |
+| Summaries;BasicFlow;false;ReturnParamMultiple;(System.Object,System.Object);Argument[1];ReturnValue;taint |
+| Summaries;BasicFlow;false;ReturnThis;(System.Object);Argument[Qualifier];ReturnValue;value |