C#: Add NoDisposeCallOnLocalIDisposableBad file and update test expected output.

Author: michaelnebel

csharp/ql/test/query-tests/API Abuse/NoDisposeCallOnLocalIDisposable/NoDisposeCallOnLocalIDisposable.cs

@@ -114,15 +114,6 @@ void TimerProc(object obj)
     public void Dispose() { }
 }
 
-class Bad
-{
-    long GetLength(string file)
-    {
-        var stream = new FileStream(file, FileMode.Open); // $ Alert
-        return stream.Length;
-    }
-}
-
 static class Extensions
 {
     public static FileStream Fluent(this FileStream fs) => fs;

csharp/ql/test/query-tests/API Abuse/NoDisposeCallOnLocalIDisposable/NoDisposeCallOnLocalIDisposable.expected

@@ -4,4 +4,4 @@
 | NoDisposeCallOnLocalIDisposable.cs:76:25:76:71 | call to method Create | Disposable 'XmlReader' is created but not disposed. |
 | NoDisposeCallOnLocalIDisposable.cs:76:42:76:64 | object creation of type StringReader | Disposable 'StringReader' is created but not disposed. |
 | NoDisposeCallOnLocalIDisposable.cs:104:23:104:38 | object creation of type HttpClient | Disposable 'HttpClient' is created but not disposed. |
-| NoDisposeCallOnLocalIDisposable.cs:121:22:121:56 | object creation of type FileStream | Disposable 'FileStream' is created but not disposed. |
+| NoDisposeCallOnLocalIDisposableBad.cs:8:22:8:56 | object creation of type FileStream | Disposable 'FileStream' is created but not disposed. |

csharp/ql/test/query-tests/API Abuse/NoDisposeCallOnLocalIDisposable/NoDisposeCallOnLocalIDisposableBad.cs

@@ -0,0 +1,11 @@
+using System;
+using System.IO;
+
+class Bad
+{
+    long GetLength(string file)
+    {
+        var stream = new FileStream(file, FileMode.Open); // $ Alert
+        return stream.Length;
+    }
+}