C#: Base API Abuse/IncorrectCompareToSignature test case on stubs and update expected test output.

Author: michaelnebel

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

@@ -1,15 +1,4 @@
-namespace System
-{
-    public interface IComparable
-    {
-        int CompareTo(object obj); // GOOD: the very definition of IComparable.CompareTo()
-    }
-
-    public interface IComparable<in T>
-    {
-        int CompareTo(T other);  // GOOD: the very definition of IComparable<T>.CompareTo()
-    }
-}
+using System;
 
 class C1<T>
 {

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

@@ -1,2 +1,2 @@
-| IncorrectCompareToSignature.cs:16:16:16:24 | CompareTo | The parameter of this 'CompareTo' method is of type $@, but $@ does not implement 'IComparable<$@>'. | IncorrectCompareToSignature.cs:14:10:14:10 | T | T | IncorrectCompareToSignature.cs:14:7:14:11 | C1<> | C1<> | IncorrectCompareToSignature.cs:14:10:14:10 | T | T |
+| IncorrectCompareToSignature.cs:5:16:5:24 | CompareTo | The parameter of this 'CompareTo' method is of type $@, but $@ does not implement 'IComparable<$@>'. | IncorrectCompareToSignature.cs:3:10:3:10 | T | T | IncorrectCompareToSignature.cs:3:7:3:11 | C1<> | C1<> | IncorrectCompareToSignature.cs:3:10:3:10 | T | T |
 | IncorrectCompareToSignatureBad.cs:5:16:5:24 | CompareTo | The parameter of this 'CompareTo' method is of type $@, but $@ does not implement 'IComparable<$@>'. | IncorrectCompareToSignatureBad.cs:3:7:3:9 | Bad | Bad | IncorrectCompareToSignatureBad.cs:3:7:3:9 | Bad | Bad | IncorrectCompareToSignatureBad.cs:3:7:3:9 | Bad | Bad |

csharp/ql/test/query-tests/API Abuse/IncorrectCompareToSignature/options

@@ -0,0 +1,2 @@
+semmle-extractor-options: /nostdlib /noconfig
+semmle-extractor-options: --load-sources-from-project:${testdir}/../../../resources/stubs/_frameworks/Microsoft.NETCore.App/Microsoft.NETCore.App.csproj