Add test for fields from different subgraphs in skipped fragment

src/HotChocolate/Fusion-vnext/src/Fusion.Execution/Planning/OperationPlanner.cs

@@ -169,6 +169,14 @@ private bool TryPlanInlineFragmentSelection(
                 });
         }
 
+        if (unresolvedSelections is { Count: > 0 })
+        {
+            var unresolvedInlineFragment =
+                new UnresolvedInlineFragment(inlineFragmentNode.Directives, typeCondition, unresolvedSelections);
+
+            trackUnresolvedSelection(unresolvedInlineFragment);
+        }
+
         if (inlineFragmentPlanNode.Selections.Count > 0)
         {
             AddSelectionDirectives(inlineFragmentPlanNode, inlineFragmentNode.Directives);
@@ -178,14 +186,6 @@ private bool TryPlanInlineFragmentSelection(
             return true;
         }
 
-        if (unresolvedSelections is { Count: > 0 })
-        {
-            var unresolvedInlineFragment =
-                new UnresolvedInlineFragment(inlineFragmentNode.Directives, typeCondition, unresolvedSelections);
-
-            trackUnresolvedSelection(unresolvedInlineFragment);
-        }
-
         return false;
     }
 

src/HotChocolate/Fusion-vnext/test/Fusion.Execution.Tests/ConditionTests/SkipFragmentTests.cs

@@ -882,4 +882,33 @@ fragment ProductFragment2 on Product {
         // assert
         plan.MatchSnapshot();
     }
+
+
+
+    [Test]
+    public void Skipped_Sub_Fragment_With_Fields_From_Different_Subgraphs()
+    {
+        // arrange
+        var compositeSchema = CreateCompositeSchema();
+
+        var request = Parse(
+            """
+            query($slug: String!, $skip: Boolean!) {
+                productBySlug(slug: $slug) {
+                    ... ProductFragment @skip(if: $skip)
+                }
+            }
+
+            fragment ProductFragment on Product {
+                name
+                averageRating
+            }
+            """);
+
+        // act
+        var plan = PlanOperation(request, compositeSchema);
+
+        // assert
+        plan.MatchSnapshot();
+    }
 }

src/HotChocolate/Fusion-vnext/test/Fusion.Execution.Tests/ConditionTests/__snapshots__/SkipFragmentTests.Skipped_Sub_Fragment_With_Fields_From_Different_Subgraphs.yaml

@@ -0,0 +1,39 @@
+request:
+  - document: >-
+      query($slug: String!, $skip: Boolean!) {
+        productBySlug(slug: $slug) {
+          ... on Product @skip(if: $skip) {
+            name
+            averageRating
+          }
+        }
+      }
+nodes:
+  - id: 1
+    schema: "PRODUCTS"
+    operation: >-
+      query($skip: Boolean!, $slug: String!) {
+        productBySlug(slug: $slug) {
+          ... on Product @skip(if: $skip) {
+            name
+          }
+          id
+        }
+      }
+  - id: 2
+    schema: "REVIEWS"
+    operation: >-
+      query($__fusion_requirement_1: ID!) {
+        productById(id: $__fusion_requirement_1) {
+          ... on Product {
+            averageRating
+          }
+        }
+      }
+    skipIf: "skip"
+    requirements:
+      - name: "__fusion_requirement_1"
+        dependsOn: "1"
+        selectionSet: "productBySlug"
+        field: "id"
+        type: "ID!"