Add assertion to verilog deps test

tests/test_verilog/gold/test_verilog_dependency_top.json

@@ -0,0 +1,42 @@
+{"top":"global.top",
+"namespaces":{
+  "global":{
+    "modules":{
+      "bar":{
+        "type":["Record",[
+          ["I","BitIn"],
+          ["O","Bit"]
+        ]],
+        "instances":{
+          "foo_inst0":{
+            "modref":"global.foo"
+          }
+        },
+        "metadata":{"verilog":{"verilog_string":"module bar(input I, output O);\n    foo foo_inst(I, O);\nendmodule"}}
+      },
+      "foo":{
+        "type":["Record",[
+          ["I","BitIn"],
+          ["O","Bit"]
+        ]],
+        "metadata":{"verilog":{"verilog_string":"module foo(input I, output O);\n    assign O = I;\nendmodule"}}
+      },
+      "top":{
+        "type":["Record",[
+          ["I","BitIn"],
+          ["O","Bit"]
+        ]],
+        "instances":{
+          "bar_inst0":{
+            "modref":"global.bar"
+          }
+        },
+        "connections":[
+          ["self.I","bar_inst0.I"],
+          ["self.O","bar_inst0.O"]
+        ]
+      }
+    }
+  }
+}
+}

tests/test_verilog/test_from_file.py

@@ -108,4 +108,7 @@ def test_verilog_dependency():
     m.wire(top.I, bar_inst.I)
     m.wire(bar_inst.O, top.O)
     m.EndDefine()
-    m.compile("top", top, output="coreir")
+    FILENAME = "test_verilog_dependency_top"
+    m.compile(f"build/{FILENAME}", top, output="coreir")
+    assert m.testing.check_files_equal(__file__, f"build/{FILENAME}.json",
+                                       f"gold/{FILENAME}.json")