Added a tests for the completion of records.

Signed-off-by: Dimitar Dobrev <dpldobrev@protonmail.com>

tests/CSharp/AnotherUnit.h

@@ -7,3 +7,7 @@ class TemplateInAnotherUnit
 {
     T field;
 };
+
+class ForwardInOtherUnitButSameModule
+{
+};

tests/CSharp/CSharp.h

@@ -953,3 +953,5 @@ private:
     lowerCase<int> i;
     lowerCase<long> l;
 };
+
+class ForwardInOtherUnitButSameModule;