Doesn't work - found a scenario

Author: safesparrow

tests/DiamondTest/B1.fsi

@@ -0,0 +1,3 @@
+module DiamondTest.B1
+
+val b1 : int

tests/DiamondTest/B2.fsi

@@ -0,0 +1,3 @@
+module DiamondTest.B2
+
+val b2 : int

tests/DiamondTest/C1.fsi

@@ -0,0 +1,3 @@
+module DiamondTest.C1
+
+val c1 : int

tests/DiamondTest/C2.fsi

@@ -0,0 +1,3 @@
+module DiamondTest.C2
+
+val c2:int

tests/DiamondTest/D.fsi

@@ -0,0 +1,2 @@
+module DiamondTest.D
+val d : int

tests/DiamondTest/DiamondTest.fsproj

@@ -10,10 +10,15 @@
         <Compile Include="A.fsi" />
         <Compile Include="AB.fs" />
         <Compile Include="A.fs" />
+        <Compile Include="B1.fsi" />
         <Compile Include="B1.fs" />
+        <Compile Include="B2.fsi" />
         <Compile Include="B2.fs" />
+        <Compile Include="C1.fsi" />
         <Compile Include="C1.fs" />
+        <Compile Include="C2.fsi" />
         <Compile Include="C2.fs" />
+        <Compile Include="D.fsi" />
         <Compile Include="D.fs" />
         <Compile Include="Program.fs" />
     </ItemGroup>

tests/FSharp.Compiler.Service.Tests2/DiamondArgs.txt

@@ -210,9 +210,13 @@
 --refout:C:\projekty\fsharp\heuristic\artifacts\obj\DiamondTest\Debug\net7.0\refint\DiamondTest.dll
 C:\projekty\fsharp\heuristic\tests\DiamondTest\A.fsi
 C:\projekty\fsharp\heuristic\tests\DiamondTest\A.fs
+C:\projekty\fsharp\heuristic\tests\DiamondTest\B1.fsi
 C:\projekty\fsharp\heuristic\tests\DiamondTest\B1.fs
+C:\projekty\fsharp\heuristic\tests\DiamondTest\B2.fsi
 C:\projekty\fsharp\heuristic\tests\DiamondTest\B2.fs
 C:\projekty\fsharp\heuristic\tests\DiamondTest\C1.fs
+C:\projekty\fsharp\heuristic\tests\DiamondTest\C2.fsi
 C:\projekty\fsharp\heuristic\tests\DiamondTest\C2.fs
+C:\projekty\fsharp\heuristic\tests\DiamondTest\D.fsi
 C:\projekty\fsharp\heuristic\tests\DiamondTest\D.fs
 C:\projekty\fsharp\heuristic\tests\DiamondTest\Program.fs