new: test_transaction_list

tests/test_transaction.py

@@ -42,12 +42,6 @@ def test_transaction_execute_raw(db, col, docs):
     assert err.value.error_code == 10
 
 
-def test_transaction_list(db, col, docs):
-    transactions = db.list_transactions()
-    assert isinstance(transactions, list)
-    # TODO: Add proper transaction test here
-
-
 def test_transaction_init(db, bad_db, col, username):
     txn_db = db.begin_transaction()
 
@@ -155,3 +149,24 @@ def test_transaction_graph(db, graph, fvcol, fvdocs):
     assert len(vcol) == 0
 
     txn_db.commit_transaction()
+
+
+def test_transaction_list(db):
+    transactions = db.list_transactions()
+    assert transactions == []
+
+    txn_db = db.begin_transaction()
+    txn_db.aql.execute("RETURN 1")
+
+    txt_db_2 = db.begin_transaction()
+    txt_db_2.aql.execute("RETURN 1")
+
+    assert len(db.list_transactions()) == 2
+
+    txn_db.commit_transaction()
+
+    assert len(db.list_transactions()) == 1
+
+    txt_db_2.commit_transaction()
+
+    assert db.list_transactions() == []