Fix test compatibility with testcontainers

- Update settings tests to accept dynamic ports (testcontainers uses
  random ports instead of default 3306)
- Fix test_top_restriction_with_keywords to use set comparison since
  dj.Top only guarantees which elements are selected, not their order
- Bump version to 2.0.0a8

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: dimitri-yatsenko

src/datajoint/version.py

@@ -1,4 +1,4 @@
 # version bump auto managed by Github Actions:
 # label_prs.yaml(prep), release.yaml(bump), post_release.yaml(edit)
 # manually set this version will be eventually overwritten by the above actions
-__version__ = "2.0.0a7"
+__version__ = "2.0.0a8"

tests/integration/test_relational_operand.py

@@ -561,30 +561,42 @@ def test_restrictions_by_top(self, schema_simp_pop):
         ]
 
     def test_top_restriction_with_keywords(self, schema_simp_pop):
+        # dj.Top only guarantees which elements are selected, not their order
         select = SelectPK() & dj.Top(limit=9, order_by=["select desc"])
         key = KeyPK() & dj.Top(limit=9, order_by="key desc")
-        assert select.fetch(as_dict=True) == [
-            {"id": 2, "select": 8},
-            {"id": 2, "select": 6},
-            {"id": 1, "select": 4},
-            {"id": 2, "select": 4},
-            {"id": 1, "select": 3},
-            {"id": 1, "select": 2},
-            {"id": 2, "select": 2},
-            {"id": 1, "select": 1},
-            {"id": 0, "select": 0},
-        ]
-        assert key.fetch(as_dict=True) == [
-            {"id": 2, "key": 6},
-            {"id": 2, "key": 5},
-            {"id": 1, "key": 5},
-            {"id": 0, "key": 4},
-            {"id": 1, "key": 4},
-            {"id": 2, "key": 4},
-            {"id": 0, "key": 3},
-            {"id": 1, "key": 3},
-            {"id": 2, "key": 3},
-        ]
+        # Convert to sets of tuples for order-independent comparison
+        select_result = {tuple(sorted(d.items())) for d in select.fetch(as_dict=True)}
+        select_expected = {
+            tuple(sorted(d.items()))
+            for d in [
+                {"id": 2, "select": 8},
+                {"id": 2, "select": 6},
+                {"id": 1, "select": 4},
+                {"id": 2, "select": 4},
+                {"id": 1, "select": 3},
+                {"id": 1, "select": 2},
+                {"id": 2, "select": 2},
+                {"id": 1, "select": 1},
+                {"id": 0, "select": 0},
+            ]
+        }
+        assert select_result == select_expected
+        key_result = {tuple(sorted(d.items())) for d in key.fetch(as_dict=True)}
+        key_expected = {
+            tuple(sorted(d.items()))
+            for d in [
+                {"id": 2, "key": 6},
+                {"id": 2, "key": 5},
+                {"id": 1, "key": 5},
+                {"id": 0, "key": 4},
+                {"id": 1, "key": 4},
+                {"id": 2, "key": 4},
+                {"id": 0, "key": 3},
+                {"id": 1, "key": 3},
+                {"id": 2, "key": 3},
+            ]
+        }
+        assert key_result == key_expected
 
     def test_top_errors(self, schema_simp_pop):
         with pytest.raises(DataJointError) as err1:

tests/unit/test_settings.py

@@ -160,7 +160,9 @@ def test_attribute_access(self):
         # Host can be localhost or db (docker), just verify it's a string
         assert isinstance(dj.config.database.host, str)
         assert len(dj.config.database.host) > 0
-        assert dj.config.database.port == 3306
+        # Port may be 3306 (default) or a random port (testcontainers)
+        assert isinstance(dj.config.database.port, int)
+        assert 1 <= dj.config.database.port <= 65535
         # safemode may be modified by conftest fixtures
         assert isinstance(dj.config.safemode, bool)
 
@@ -169,7 +171,9 @@ def test_dict_style_access(self):
         # Host can be localhost or db (docker), just verify it's a string
         assert isinstance(dj.config["database.host"], str)
         assert len(dj.config["database.host"]) > 0
-        assert dj.config["database.port"] == 3306
+        # Port may be 3306 (default) or a random port (testcontainers)
+        assert isinstance(dj.config["database.port"], int)
+        assert 1 <= dj.config["database.port"] <= 65535
         # safemode may be modified by conftest fixtures
         assert isinstance(dj.config["safemode"], bool)