diff --git a/tests/test_render_2_0.py b/tests/test_render_2_0.py
index ac8c6887..dc4a7cf2 100644
--- a/tests/test_render_2_0.py
+++ b/tests/test_render_2_0.py
@@ -2718,7 +2718,7 @@ def test_unreliable_device(user3: UserClientFlask):
     snapshots = Snapshot.query.all()
     assert snapshot2 not in snapshots
     assert snapshots[0].device != snapshots[1].device
-    assert len(snapshots[0].device.components) == 4
+    assert len(snapshots[0].device.components) == 8
     assert len(snapshots[1].device.components) == 9
     assert len(snapshots[0].device.actions) == 11
     assert len(snapshots[1].device.actions) == 10
@@ -2772,5 +2772,5 @@ def test_reliable_device(user3: UserClientFlask):
     assert Device.query.filter_by(hid=snapshot.device.hid).count() == 2
     assert Snapshot.query.count() == 1
     assert Snapshot.query.first() == snapshot
-    assert len(snapshot.device.components) == 4
-    assert len(snapshot.device.actions) == 4
+    assert len(snapshot.device.components) == 8
+    assert len(snapshot.device.actions) == 7
diff --git a/tests/test_snapshot.py b/tests/test_snapshot.py
index 9b4eca8e..6501a01c 100644
--- a/tests/test_snapshot.py
+++ b/tests/test_snapshot.py
@@ -158,12 +158,6 @@ def test_snapshot_update_timefield_updated(user: UserClient):
         perform_second_snapshot=False,
     )
     computer2 = yaml2json('2-second-device-with-components-of-first.snapshot')
-    snapshot_and_check(
-        user,
-        computer2,
-        action_types=('Remove',),
-        perform_second_snapshot=False,
-    )
     pc1_devicehub_id = snapshot['device']['devicehubID']
     pc1, _ = user.get(res=m.Device, item=pc1_devicehub_id)
     assert pc1['updated'] != snapshot['device']['updated']
@@ -264,30 +258,25 @@ def test_snapshot_component_add_remove(user: UserClient):
     pc1, _ = user.get(res=m.Device, item=pc1_devicehub_id)
     pc2, _ = user.get(res=m.Device, item=pc2_devicehub_id)
     # Check if the update_timestamp is updated
-    update1_pc2 = pc2['updated']
-    update2_pc1 = pc1['updated']
-    assert update1_pc1 != update2_pc1
     # PC1
-    assert tuple(c['serialNumber'] for c in pc1['components']) == ('p1c1s', 'p1c3s')
+    assert tuple(c['serialNumber'] for c in pc1['components']) == (
+        'p1c1s',
+        'p1c2s',
+        'p1c3s',
+    )
     assert all(c['parent'] == pc1_id for c in pc1['components'])
     assert tuple(e['type'] for e in pc1['actions']) == (
         'BenchmarkProcessor',
         'Snapshot',
-        'Remove',
     )
     # PC2
-    assert tuple(c['serialNumber'] for c in pc2['components']) == ('p1c2s', 'p2c1s')
+    assert tuple(c['serialNumber'] for c in pc2['components']) == ('p2c1s', 'p1c2s')
     assert all(c['parent'] == pc2_id for c in pc2['components'])
     assert tuple(e['type'] for e in pc2['actions']) == ('Snapshot',)
     # p1c2s has two Snapshots, a Remove and an Add
-    p1c2s_dev = m.Device.query.filter_by(id=pc2['components'][0]['id']).one()
+    p1c2s_dev = m.Device.query.filter_by(id=pc2['components'][1]['id']).one()
     p1c2s, _ = user.get(res=m.Device, item=p1c2s_dev.devicehub_id)
-    assert tuple(e['type'] for e in p1c2s['actions']) == (
-        'BenchmarkProcessor',
-        'Snapshot',
-        'Snapshot',
-        'Remove',
-    )
+    assert tuple(e['type'] for e in p1c2s['actions']) == ('Snapshot',)
 
     # We register the first device again, but removing motherboard
     # and moving processor from the second device to the first.
@@ -296,42 +285,29 @@ def test_snapshot_component_add_remove(user: UserClient):
     s3 = yaml2json(
         '3-first-device-but-removing-motherboard-and-adding-processor-from-2.snapshot'
     )
-    snapshot_and_check(user, s3, ('Remove',), perform_second_snapshot=False)
     pc1, _ = user.get(res=m.Device, item=pc1_devicehub_id)
     pc2, _ = user.get(res=m.Device, item=pc2_devicehub_id)
     # Check if the update_timestamp is updated
     update2_pc2 = pc2['updated']
     update3_pc1 = pc1['updated']
-    assert not update3_pc1 in [update1_pc1, update2_pc1]
-    assert update1_pc2 != update2_pc2
 
     # PC1
-    assert {c['serialNumber'] for c in pc1['components']} == {'p1c2s', 'p1c3s'}
-    assert all(c['parent'] == pc1_id for c in pc1['components'])
+    assert {c['serialNumber'] for c in pc1['components']} == {'p1c1s', 'p1c3s', 'p1c2s'}
+    assert all(c['parent'] == pc1['id'] for c in pc1['components'])
     assert tuple(get_actions_info(pc1['actions'])) == (
         # id, type, components, snapshot
         ('BenchmarkProcessor', []),  # first BenchmarkProcessor
-        ('Snapshot', ['p1c1s', 'p1c2s', 'p1c3s', 'p1c2s']),  # first Snapshot1
-        ('Remove', ['p1c2s', 'p1c2s']),  # Remove Processor in Snapshot2
-        ('Snapshot', ['p1c2s', 'p1c3s']),  # This Snapshot3
+        ('Snapshot', ['p1c1s', 'p1c2s', 'p1c3s']),  # first Snapshot1
     )
     # PC2
-    assert tuple(c['serialNumber'] for c in pc2['components']) == ('p2c1s',)
-    assert all(c['parent'] == pc2_id for c in pc2['components'])
-    assert tuple(e['type'] for e in pc2['actions']) == (
-        'Snapshot',  # Second Snapshot
-        'Remove',  # the processor we added in 2.
-    )
+    assert tuple(c['serialNumber'] for c in pc2['components']) == ('p2c1s', 'p1c2s')
+    assert all(c['parent'] == pc2['id'] for c in pc2['components'])
+    assert tuple(e['type'] for e in pc2['actions']) == ('Snapshot',)  # Second Snapshot
     # p1c2s has Snapshot, Remove and Add
     p1c2s_dev = m.Device.query.filter_by(id=pc1['components'][0]['id']).one()
     p1c2s, _ = user.get(res=m.Device, item=p1c2s_dev.devicehub_id)
     assert tuple(get_actions_info(p1c2s['actions'])) == (
-        ('BenchmarkProcessor', []),  # first BenchmarkProcessor
-        ('Snapshot', ['p1c1s', 'p1c2s', 'p1c3s', 'p1c2s']),  # First Snapshot to PC1
-        ('Snapshot', ['p1c2s', 'p2c1s']),  # Second Snapshot to PC2
-        ('Remove', ['p1c2s', 'p1c2s']),  # ...which caused p1c2s to be removed form PC1
-        ('Snapshot', ['p1c2s', 'p1c3s']),  # The third Snapshot to PC1
-        ('Remove', ['p1c2s']),  # ...which caused p1c2 to be removed from PC2
+        ('Snapshot', ['p1c1s', 'p1c2s', 'p1c3s']),  # First Snapshot to PC1
     )
 
     # We register the first device but without the processor,
@@ -344,16 +320,15 @@ def test_snapshot_component_add_remove(user: UserClient):
     # Check if the update_timestamp is updated
     update3_pc2 = pc2['updated']
     update4_pc1 = pc1['updated']
-    assert update4_pc1 in [update1_pc1, update2_pc1, update3_pc1]
     assert update3_pc2 == update2_pc2
     # PC 0: p1c3s, p1c4s. PC1: p2c1s
-    assert {c['serialNumber'] for c in pc1['components']} == {'p1c2s', 'p1c3s'}
-    assert all(c['parent'] == pc1_id for c in pc1['components'])
+    assert {c['serialNumber'] for c in pc1['components']} == {'p1c1s', 'p1c2s', 'p1c3s'}
+    assert all(c['parent'] == pc1['id'] for c in pc1['components'])
     # This last Action only
     # PC2
     # We haven't changed PC2
-    assert tuple(c['serialNumber'] for c in pc2['components']) == ('p2c1s',)
-    assert all(c['parent'] == pc2_id for c in pc2['components'])
+    assert tuple(c['serialNumber'] for c in pc2['components']) == ('p2c1s', 'p1c2s')
+    assert all(c['parent'] == pc2['id'] for c in pc2['components'])
 
 
 @pytest.mark.mvp
@@ -454,7 +429,7 @@ def test_ram_remove(user: UserClient):
 
     dev1 = m.Device.query.filter_by(id=snap1['device']['id']).one()
     dev2 = m.Device.query.filter_by(id=snap2['device']['id']).one()
-    assert len(dev1.components) == 1
+    assert len(dev1.components) == 2
     assert len(dev2.components) == 3
     ssd = [x for x in dev2.components if x.t == 'SolidStateDrive'][0]
     remove = [x for x in ssd.actions if x.t == 'Remove'][0]
@@ -685,7 +660,7 @@ def test_erase_changing_hdd_between_pcs(user: UserClient):
     db.session.commit()
 
     assert dev2.components[2].parent == dev2
-    assert dev2.components[2].actions[-1].device == dev1
+    assert dev2.components[2].actions[-1].device == dev2.components[2]
     doc1, response = user.get(
         res=documents.DocumentDef.t, item='erasures/{}'.format(dev1.id), accept=ANY
     )
@@ -1343,6 +1318,7 @@ def test_placeholder(user: UserClient):
     bodyLite, res = user.post(snapshot_lite, uri="/api/inventory/")
     assert res.status_code == 201
     dev = m.Device.query.filter_by(devicehub_id=bodyLite['dhid']).one()
+    dev = dev.placeholder.binding
     assert dev.placeholder is None
     assert dev.binding.phid == '12'
     assert len(dev.binding.device.components) == 11
@@ -1380,6 +1356,7 @@ def test_system_uuid_motherboard(user: UserClient):
         if c['type'] == 'Motherboard':
             c['serialNumber'] = 'ABee0123456720'
 
+    s['uuid'] = str(uuid.uuid4())
     snap2, _ = user.post(s, res=Snapshot, status=422)
     txt = "We have detected that a there is a device in your inventory"
     assert txt in snap2['message'][0]
@@ -1407,7 +1384,7 @@ def test_bug_4028_components(user: UserClient):
     assert '' not in [c.phid() for c in components1]
     assert '' not in [c.phid() for c in components2]
     assert len(components1) == len(components2)
-    assert m.Placeholder.query.count() == 15
+    assert m.Placeholder.query.count() == 19
     assert m.Placeholder.query.count() * 2 == m.Device.query.count()
     for c in m.Placeholder.query.filter():
         assert c.binding