diff --git a/test/Common/Test.hs b/test/Common/Test.hs
index e2ae1e4..722e83e 100644
--- a/test/Common/Test.hs
+++ b/test/Common/Test.hs
@@ -1414,7 +1414,7 @@ tests run = do
     testCase run
     testCountingRows run
 
-----------------------------------------------------------------------
+-------------------------------------------------------------------------------
 
 
 insert' :: ( Functor m
@@ -1463,42 +1463,3 @@ cleanDB = do
   delete $ from $ \(_ :: SqlExpr (Entity Point))      -> return ()
 
   delete $ from $ \(_ :: SqlExpr (Entity Numbers))    -> return ()
-
--- run, runSilent, runVerbose :: Run a
--- runSilent  act = runNoLoggingT     $ run_worker act
--- runVerbose act = runStderrLoggingT $ run_worker act
--- run =
---   if verbose
---   then runVerbose
---   else runSilent
---
---
--- verbose :: Bool
--- verbose = True
---
---
--- run_worker :: RunDbMonad m => SqlPersistT (R.ResourceT m) a -> m a
--- run_worker act = withConn $ runSqlConn (migrateIt >> act)
---
---
--- migrateIt :: RunDbMonad m => SqlPersistT (R.ResourceT m) ()
--- migrateIt = do
---   void $ runMigrationSilent migrateAll
--- #if defined (WITH_POSTGRESQL) || defined (WITH_MYSQL)
---   cleanDB
--- #endif
---
---
--- withConn :: RunDbMonad m => (SqlBackend -> R.ResourceT m a) -> m a
--- withConn =
---   R.runResourceT .
--- #if defined (WITH_MYSQL)
---   withMySQLConn defaultConnectInfo
---     { connectHost     = "localhost"
---     , connectUser     = "esqutest"
---     , connectPassword = "esqutest"
---     , connectDatabase = "esqutest"
---     }
--- #else
---   withSqliteConn ":memory:"
--- #endif
diff --git a/test/MySQL/Test.hs b/test/MySQL/Test.hs
index 9111130..c2730aa 100644
--- a/test/MySQL/Test.hs
+++ b/test/MySQL/Test.hs
@@ -138,6 +138,9 @@ main = do
   hspec $ do
     tests run
 
+    describe "Test MySQL locking" $ do
+      testLocking withConn
+
     describe "MySQL specific tests" $ do
       testMysqlRandom
       testMysqlSum
@@ -149,6 +152,7 @@ main = do
 
 -------------------------------------------------------------------------------
 
+
 run, runSilent, runVerbose :: Run
 runSilent  act = runNoLoggingT     $ run_worker act
 runVerbose act = runStderrLoggingT $ run_worker act
diff --git a/test/PostgreSQL/Test.hs b/test/PostgreSQL/Test.hs
index a386155..d1423d7 100644
--- a/test/PostgreSQL/Test.hs
+++ b/test/PostgreSQL/Test.hs
@@ -32,6 +32,8 @@ import Data.Time.Clock (getCurrentTime, diffUTCTime)
 
 import Common.Test
 
+-------------------------------------------------------------------------------
+
 
 testPostgresqlCoalesce :: Spec
 testPostgresqlCoalesce = do
@@ -44,6 +46,9 @@ testPostgresqlCoalesce = do
       return ()
 
 
+-------------------------------------------------------------------------------
+
+
 testPostgresqlTextFunction :: Spec
 testPostgresqlTextFunction = do
   it "ilike, (%) and (++.) work on a simple example on PostgreSQL" $
@@ -60,6 +65,9 @@ testPostgresqlTextFunction = do
       nameContains "JOHN" [p1e]
 
 
+-------------------------------------------------------------------------------
+
+
 testPostgresqlUpdate :: Spec
 testPostgresqlUpdate = do
   it "works on a simple example" $
@@ -87,6 +95,9 @@ testPostgresqlUpdate = do
                               , Entity p3k p3 ]
 
 
+-------------------------------------------------------------------------------
+
+
 testPostgresqlRandom :: Spec
 testPostgresqlRandom = do
   it "works with random_" $
@@ -95,6 +106,9 @@ testPostgresqlRandom = do
       return ()
 
 
+-------------------------------------------------------------------------------
+
+
 testPostgresqlSum :: Spec
 testPostgresqlSum = do
   it "works with sum_" $
@@ -109,6 +123,9 @@ testPostgresqlSum = do
       liftIO $ ret `shouldBe` [ Value $ Just (36 + 17 + 17 :: Rational ) ]
 
 
+-------------------------------------------------------------------------------
+
+
 testPostgresqlTwoAscFields :: Spec
 testPostgresqlTwoAscFields = do
   it "works with two ASC fields (one call)" $
@@ -125,6 +142,9 @@ testPostgresqlTwoAscFields = do
       liftIO $ ret `shouldBe` [ p4e, p3e, p1e , p2e ]
 
 
+-------------------------------------------------------------------------------
+
+
 testPostgresqlOneAscOneDesc :: Spec
 testPostgresqlOneAscOneDesc = do
   it "works with one ASC and one DESC field (two calls)" $
@@ -141,7 +161,7 @@ testPostgresqlOneAscOneDesc = do
       liftIO $ ret `shouldBe` [ p2e, p1e, p4e, p3e ]
 
 
-----------------------------------------------------------------------
+-------------------------------------------------------------------------------
 
 
 testSelectDistinctOn :: Spec
@@ -192,7 +212,7 @@ testSelectDistinctOn = do
         distinctOnOrderBy [asc (bp ^. BlogPostAuthorId), asc (bp ^. BlogPostTitle)]
 
 
-----------------------------------------------------------------------
+-------------------------------------------------------------------------------
 
 
 testPostgresModule :: Spec
@@ -237,7 +257,7 @@ testPostgresModule = do
         liftIO $ diffUTCTime nowUtc now `shouldSatisfy` (< halfSecond)
 
 
-----------------------------------------------------------------------
+-------------------------------------------------------------------------------
 
 
 main :: IO ()
@@ -259,6 +279,10 @@ main = do
       testPostgresqlTextFunction
       testPostgresqlCoalesce
 
+
+-------------------------------------------------------------------------------
+
+
 run, runSilent, runVerbose :: Run
 runSilent  act = runNoLoggingT     $ run_worker act
 runVerbose act = runStderrLoggingT $ run_worker act
diff --git a/test/SQLite/Test.hs b/test/SQLite/Test.hs
index 941c882..868cfa3 100644
--- a/test/SQLite/Test.hs
+++ b/test/SQLite/Test.hs
@@ -17,6 +17,8 @@ import Test.Hspec
 
 import Common.Test
 
+-------------------------------------------------------------------------------
+
 
 testSqliteRandom :: Spec
 testSqliteRandom = do
@@ -25,6 +27,10 @@ testSqliteRandom = do
       _ <- select $ return (random_ :: SqlExpr (Value Int))
       return ()
 
+
+-------------------------------------------------------------------------------
+
+
 testSqliteSum :: Spec
 testSqliteSum = do
   it "works with sum_" $
@@ -38,6 +44,10 @@ testSqliteSum = do
              return $ joinV $ sum_ (p ^. PersonAge)
       liftIO $ ret `shouldBe` [ Value $ Just (36 + 17 + 17 :: Int) ]
 
+
+-------------------------------------------------------------------------------
+
+
 testSqliteTwoAscFields :: Spec
 testSqliteTwoAscFields = do
   it "works with two ASC fields (one call)" $
@@ -53,6 +63,10 @@ testSqliteTwoAscFields = do
       -- in SQLite and MySQL, its the reverse
       liftIO $ ret `shouldBe` [ p2e, p4e, p3e, p1e ]
 
+
+-------------------------------------------------------------------------------
+
+
 testSqliteOneAscOneDesc :: Spec
 testSqliteOneAscOneDesc = do
   it "works with one ASC and one DESC field (two calls)" $
@@ -69,6 +83,9 @@ testSqliteOneAscOneDesc = do
       liftIO $ ret `shouldBe` [ p1e, p4e, p3e, p2e ]
 
 
+-------------------------------------------------------------------------------
+
+
 testSqliteCoalesce :: Spec
 testSqliteCoalesce = do
   it "throws an exception on SQLite with <2 arguments" $
@@ -78,6 +95,9 @@ testSqliteCoalesce = do
     `shouldThrow` (\(_ :: SqliteException) -> True)
 
 
+-------------------------------------------------------------------------------
+
+
 testSqliteUpdate :: Spec
 testSqliteUpdate = do
   it "works on a simple example" $
@@ -103,6 +123,10 @@ testSqliteUpdate = do
                               , Entity p1k (Person anon (Just 73) Nothing 1)
                               , Entity p3k p3 ]
 
+
+-------------------------------------------------------------------------------
+
+
 main :: IO ()
 main = do
   hspec $ do
@@ -119,6 +143,10 @@ main = do
       testSqliteCoalesce
       testSqliteUpdate
 
+
+-------------------------------------------------------------------------------
+
+
 run, runSilent, runVerbose :: Run
 runSilent  act = runNoLoggingT     $ run_worker act
 runVerbose act = runStderrLoggingT $ run_worker act