C#: Convert cs/gethashcode-is-not-defined to inline expectations tests.

Author: michaelnebel

csharp/ql/test/query-tests/Likely Bugs/HashedButNoHash/HashedButNoHash.cs

@@ -6,9 +6,10 @@ public class Test
     public void M()
     {
         var h = new Hashtable();
-        h.Add(this, null); // BAD
+        h.Add(this, null); // $ Alert
+
         var d = new Dictionary<Test, bool>();
-        d.Add(this, false); // BAD
+        d.Add(this, false); // $ Alert
     }
 
     public override bool Equals(object other)

csharp/ql/test/query-tests/Likely Bugs/HashedButNoHash/HashedButNoHash.expected

@@ -1,2 +1,2 @@
 | HashedButNoHash.cs:9:15:9:18 | this access | This expression is hashed, but type 'Test' only defines Equals(...) not GetHashCode(). |
-| HashedButNoHash.cs:11:15:11:18 | this access | This expression is hashed, but type 'Test' only defines Equals(...) not GetHashCode(). |
+| HashedButNoHash.cs:12:15:12:18 | this access | This expression is hashed, but type 'Test' only defines Equals(...) not GetHashCode(). |

csharp/ql/test/query-tests/Likely Bugs/HashedButNoHash/HashedButNoHash.qlref

@@ -1 +1,3 @@
-Likely Bugs/HashedButNoHash.ql
+query: Likely Bugs/HashedButNoHash.ql
+postprocess: utils/test/InlineExpectationsTestQuery.ql
+