diff --git a/test_future.py b/test_future.py
index 622b050f..e0562569 100644
--- a/test_future.py
+++ b/test_future.py
@@ -32,23 +32,3 @@ def test_serialize_time_with_micros(cur):
     cur.execute('SELECT a FROM t')
     assert cur.fetchone()[0] != datetime.time(15, 19, 10, 12)  # This should be equal
     assert cur.fetchone() is None
-
-def test_serialize_decimal_large(cur):
-    cur.execute('DROP TABLE IF EXISTS t')
-    cur.execute('CREATE TABLE t(i INTEGER NOT NULL, a DECIMAL(1) NOT NULL, PRIMARY KEY(i))')
-    with pytest.raises(polypheny.Error, match='RuntimeException'):
-        cur.execute('INSERT INTO t(i, a) VALUES (0, ?)', (2**77,))
-
-    return  # remove if execute works
-    cur.execute('SELECT a FROM t')
-    assert cur.fetchone()[0] == 2**77
-    assert cur.fetchone() is None
-
-def test_serialize_decimal_large2(cur):
-    cur.execute('DROP TABLE IF EXISTS t')
-    cur.execute('CREATE TABLE t(i INTEGER NOT NULL, a DECIMAL NOT NULL, PRIMARY KEY(i))')
-    cur.execute('INSERT INTO t(i, a) VALUES (0, ?)', (2**77,))
-    cur.execute('SELECT a FROM t')
-
-    assert cur.fetchone()[0] == 151115727451828650000000  # This should be 2**77 or 151115727451828646838272
-    assert cur.fetchone() is None
diff --git a/test_serialize.py b/test_serialize.py
index 9d6b4373..ce85e414 100644
--- a/test_serialize.py
+++ b/test_serialize.py
@@ -144,6 +144,25 @@ def test_serialize_list(cur):
     assert cur.fetchone()[0] == [1, 2, 3]
     assert cur.fetchone() is None
 
+def test_serialize_decimal_large(cur):
+    cur.execute('DROP TABLE IF EXISTS t')
+    cur.execute('CREATE TABLE t(i INTEGER NOT NULL, a DECIMAL(1) NOT NULL, PRIMARY KEY(i))')
+    cur.execute('INSERT INTO t(i, a) VALUES (0, ?)', (2**77,))
+
+    cur.execute('SELECT a FROM t')
+    assert cur.fetchone()[0] == 2**77
+    assert cur.fetchone() is None
+
+def test_serialize_decimal_large2(cur):
+    cur.execute('DROP TABLE IF EXISTS t')
+    cur.execute('CREATE TABLE t(i INTEGER NOT NULL, a DECIMAL NOT NULL, PRIMARY KEY(i))')
+    cur.execute('INSERT INTO t(i, a) VALUES (0, ?)', (2**77,))
+    cur.execute('SELECT a FROM t')
+
+    assert cur.fetchone()[0] == 151115727451828646838272
+    assert cur.fetchone() is None
+
+
 def test_deserialize_number(cur):
     cur.execute('SELECT 1')
     assert cur.fetchone()[0] == 1