diff --git a/numba_rvsdg/tests/test_scfg.py b/numba_rvsdg/tests/test_scfg.py
index 09ba383..3d1d9e5 100644
--- a/numba_rvsdg/tests/test_scfg.py
+++ b/numba_rvsdg/tests/test_scfg.py
@@ -123,7 +123,7 @@ def test_dict_conversion(self):
                     "0": ["1", "2"],
                     "1": ["5"],
                     "2": ["1", "5"],
-                    "3": ["0"],
+                    "3": ["1"],
                     "4": [],
                     "5": ["3", "4"],
                 },
@@ -166,13 +166,13 @@ def test_scfg_iter(self):
         scfg, _ = SCFG.from_yaml(
             """
         blocks:
-            '0':
+            'basic_block_0':
                 type: basic
-            '1':
+            'basic_block_1':
                 type: basic
         edges:
-            '0': ['1']
-            '1': []
+            'basic_block_0': ['basic_block_1']
+            'basic_block_1': []
         backedges:
         """
         )
diff --git a/numba_rvsdg/tests/test_transforms.py b/numba_rvsdg/tests/test_transforms.py
index d42c2e0..4b4ce58 100644
--- a/numba_rvsdg/tests/test_transforms.py
+++ b/numba_rvsdg/tests/test_transforms.py
@@ -208,6 +208,7 @@ def test_dual_predecessor_and_dual_successor_with_additional_arcs(self):
             '3': ['0']
             '4': []
         backedges:
+            '3': ['0']
         """
         original_scfg, block_dict = SCFG.from_yaml(original)
         expected = """
@@ -232,6 +233,7 @@ def test_dual_predecessor_and_dual_successor_with_additional_arcs(self):
             '4': []
             '5': ['3', '4']
         backedges:
+            '3': ['0']
         """
         expected_scfg, expected_block_dict = SCFG.from_yaml(expected)
         original_scfg.insert_block(
diff --git a/numba_rvsdg/tests/test_utils.py b/numba_rvsdg/tests/test_utils.py
index c1f228d..524066d 100644
--- a/numba_rvsdg/tests/test_utils.py
+++ b/numba_rvsdg/tests/test_utils.py
@@ -2,12 +2,12 @@
 import yaml
 
 from numba_rvsdg.core.datastructures.scfg import SCFG
-from numba_rvsdg.core.datastructures.basic_block import BasicBlock
+from numba_rvsdg.core.datastructures.basic_block import BasicBlock, RegionBlock
 
 
 class SCFGComparator(TestCase):
     def assertSCFGEqual(
-        self, first_scfg: SCFG, second_scfg: SCFG, head_map=None
+        self, first_scfg: SCFG, second_scfg: SCFG, head_map=None, exiting=None
     ):
         if head_map:
             # If more than one head the corresponding map needs to be provided
@@ -41,14 +41,25 @@ def assertSCFGEqual(
             assert len(node.jump_targets) == len(second_node.jump_targets)
             assert len(node.backedges) == len(second_node.backedges)
 
+            # If the given block is a egionBlock, then the underlying SCFGs
+            # for both regions must be equal
+            if isinstance(node, RegionBlock):
+                self.assertSCFGEqual(
+                    node.subregion, second_node.subregion, exiting=node.exiting
+                )
+
             # Add the jump targets as corresponding nodes in block mapping
             # dictionary. Since order must be same we can simply add zip
             # functionality as the correspondence function for nodes
             for jt1, jt2 in zip(node.jump_targets, second_node.jump_targets):
+                if node.name == exiting:
+                    continue
                 block_mapping[jt1] = jt2
                 stack.append(jt1)
 
             for be1, be2 in zip(node.backedges, second_node.backedges):
+                if node.name == exiting:
+                    continue
                 block_mapping[be1] = be2
                 stack.append(be1)