diff --git a/testdata/d2compiler/TestCompile/parent_graph_edge_to_descendant.exp.json b/testdata/d2compiler/TestCompile/parent_graph_edge_to_descendant.exp.json
new file mode 100644
index 0000000000..c4899e323d
--- /dev/null
+++ b/testdata/d2compiler/TestCompile/parent_graph_edge_to_descendant.exp.json
@@ -0,0 +1,39 @@
+{
+  "graph": null,
+  "err": {
+    "errs": [
+      {
+        "range": "d2/testdata/d2compiler/TestCompile/parent_graph_edge_to_descendant.d2,12:0:102-12:10:112",
+        "errmsg": "d2/testdata/d2compiler/TestCompile/parent_graph_edge_to_descendant.d2:13:1: edge from constant near \"tl\" cannot enter itself"
+      },
+      {
+        "range": "d2/testdata/d2compiler/TestCompile/parent_graph_edge_to_descendant.d2,13:0:117-13:12:129",
+        "errmsg": "d2/testdata/d2compiler/TestCompile/parent_graph_edge_to_descendant.d2:14:1: edge from constant near \"tl\" cannot enter itself"
+      },
+      {
+        "range": "d2/testdata/d2compiler/TestCompile/parent_graph_edge_to_descendant.d2,16:0:178-16:24:202",
+        "errmsg": "d2/testdata/d2compiler/TestCompile/parent_graph_edge_to_descendant.d2:17:1: edge from grid cell \"grid.cell\" cannot enter itself"
+      },
+      {
+        "range": "d2/testdata/d2compiler/TestCompile/parent_graph_edge_to_descendant.d2,17:0:207-17:26:233",
+        "errmsg": "d2/testdata/d2compiler/TestCompile/parent_graph_edge_to_descendant.d2:18:1: edge from grid cell \"grid.cell\" cannot enter itself"
+      },
+      {
+        "range": "d2/testdata/d2compiler/TestCompile/parent_graph_edge_to_descendant.d2,14:0:134-14:16:150",
+        "errmsg": "d2/testdata/d2compiler/TestCompile/parent_graph_edge_to_descendant.d2:15:1: edge from grid diagram \"grid\" cannot enter itself"
+      },
+      {
+        "range": "d2/testdata/d2compiler/TestCompile/parent_graph_edge_to_descendant.d2,15:0:155-15:18:173",
+        "errmsg": "d2/testdata/d2compiler/TestCompile/parent_graph_edge_to_descendant.d2:16:1: edge from grid diagram \"grid\" cannot enter itself"
+      },
+      {
+        "range": "d2/testdata/d2compiler/TestCompile/parent_graph_edge_to_descendant.d2,18:0:238-18:12:250",
+        "errmsg": "d2/testdata/d2compiler/TestCompile/parent_graph_edge_to_descendant.d2:19:1: edge from sequence diagram \"seq\" cannot enter itself"
+      },
+      {
+        "range": "d2/testdata/d2compiler/TestCompile/parent_graph_edge_to_descendant.d2,19:0:255-19:14:269",
+        "errmsg": "d2/testdata/d2compiler/TestCompile/parent_graph_edge_to_descendant.d2:20:1: edge from sequence diagram \"seq\" cannot enter itself"
+      }
+    ]
+  }
+}