diff --git a/cashu/core/db.py b/cashu/core/db.py
index 7a069d6..dc9dc21 100644
--- a/cashu/core/db.py
+++ b/cashu/core/db.py
@@ -228,14 +228,11 @@ class Database(Compat):
                     )
                 else:
                     logger.error(f"Error in session trial: {trial} ({random_int}): {e}")
-                    raise e
+                    raise
             finally:
                 logger.trace(f"Closing session trial: {trial} ({random_int})")
                 await session.close()
-                # if not inherited:
-                #     logger.trace("Closing session")
-                #     await session.close()
-                #     self._connection = None
+
         raise Exception(
             f"failed to acquire database lock on {lock_table} after {timeout}s and {trial} trials ({random_int})"
         )
diff --git a/tests/test_db.py b/tests/test_db.py
index d44e18c..90c740d 100644
--- a/tests/test_db.py
+++ b/tests/test_db.py
@@ -14,7 +14,7 @@ from cashu.core.settings import settings
 from cashu.mint.ledger import Ledger
 from cashu.wallet.wallet import Wallet
 from tests.conftest import SERVER_ENDPOINT
-from tests.helpers import is_github_actions, is_postgres, pay_if_regtest
+from tests.helpers import is_github_actions, is_postgres, is_regtest, pay_if_regtest
 
 
 async def assert_err(f, msg):
@@ -49,6 +49,7 @@ async def wallet():
     )
     await wallet.load_mint()
     yield wallet
+    await wallet.db.engine.dispose()
 
 
 @pytest.mark.asyncio
@@ -146,13 +147,10 @@ async def test_db_get_connection_locked(wallet: Wallet, ledger: Ledger):
 
 @pytest.mark.asyncio
 @pytest.mark.skipif(
-    not settings.mint_database.startswith("postgres"),
+    not not is_postgres,
     reason="SQLite does not support row locking",
 )
 async def test_db_get_connection_lock_row(wallet: Wallet, ledger: Ledger):
-    if ledger.db.type == db.SQLITE:
-        pytest.skip("SQLite does not support row locking")
-
     mint_quote = await wallet.request_mint(64)
 
     async def get_connection():
@@ -189,6 +187,10 @@ async def test_db_get_connection_lock_row(wallet: Wallet, ledger: Ledger):
 
 
 @pytest.mark.asyncio
+@pytest.mark.skipif(
+    is_github_actions and is_regtest and not is_postgres,
+    reason=("Fails on GitHub Actions for regtest + SQLite"),
+)
 async def test_db_verify_spent_proofs_and_set_pending_race_condition(
     wallet: Wallet, ledger: Ledger
 ):
@@ -211,6 +213,10 @@ async def test_db_verify_spent_proofs_and_set_pending_race_condition(
 
 
 @pytest.mark.asyncio
+@pytest.mark.skipif(
+    is_github_actions and is_regtest and not is_postgres,
+    reason=("Fails on GitHub Actions for regtest + SQLite"),
+)
 async def test_db_verify_spent_proofs_and_set_pending_delayed_no_race_condition(
     wallet: Wallet, ledger: Ledger
 ):
@@ -234,6 +240,10 @@ async def test_db_verify_spent_proofs_and_set_pending_delayed_no_race_condition(
 
 
 @pytest.mark.asyncio
+@pytest.mark.skipif(
+    is_github_actions and is_regtest and not is_postgres,
+    reason=("Fails on GitHub Actions for regtest + SQLite"),
+)
 async def test_db_verify_spent_proofs_and_set_pending_no_race_condition_different_proofs(
     wallet: Wallet, ledger: Ledger
 ):
@@ -252,7 +262,7 @@ async def test_db_verify_spent_proofs_and_set_pending_no_race_condition_differen
 
 @pytest.mark.asyncio
 @pytest.mark.skipif(
-    not settings.mint_database.startswith("postgres"),
+    not is_postgres,
     reason="SQLite does not support row locking",
 )
 async def test_db_get_connection_lock_different_row(wallet: Wallet, ledger: Ledger):
@@ -300,6 +310,10 @@ async def test_db_get_connection_lock_different_row(wallet: Wallet, ledger: Ledg
 
 
 @pytest.mark.asyncio
+@pytest.mark.skipif(
+    is_github_actions and is_regtest and not is_postgres,
+    reason=("Fails on GitHub Actions for regtest + SQLite"),
+)
 async def test_db_lock_table(wallet: Wallet, ledger: Ledger):
     # fill wallet
     mint_quote = await wallet.request_mint(64)