diff --git a/tests/bdd/flex/lua-index-definitions.feature b/tests/bdd/flex/lua-index-definitions.feature
index 04b642f61..da77db887 100644
--- a/tests/bdd/flex/lua-index-definitions.feature
+++ b/tests/bdd/flex/lua-index-definitions.feature
@@ -537,3 +537,51 @@ Feature: Index definitions in Lua file
             schemaname = 'public' AND tablename = 'mytable' AND indexname LIKE '%node_id%'
             """
 
+    Scenario: Create a unique id index when requested
+        Given the input file 'liechtenstein-2013-08-03.osm.pbf'
+        And the lua style
+            """
+            local t = osm2pgsql.define_table({
+                name = 'foo',
+                ids = { type = 'node', id_column = 'node_id', create_index = 'unique' },
+                columns = {}
+            })
+
+            function osm2pgsql.process_node(object)
+                t:insert({})
+            end
+            """
+        When running osm2pgsql flex
+        Then table foo has 1562 rows
+        And SELECT indexdef FROM pg_indexes WHERE tablename = 'foo'
+            | indexdef@fullmatch |
+            | CREATE UNIQUE INDEX .* USING .*\(node_id\) |
+        And table pg_catalog.pg_index has 0 rows with condition
+            """
+            indrelid = 'foo'::regclass and indisprimary
+            """
+
+    Scenario: Create a primary key id index when requested
+        Given the input file 'liechtenstein-2013-08-03.osm.pbf'
+        And the lua style
+            """
+            local t = osm2pgsql.define_table({
+                name = 'foo',
+                ids = { type = 'node', id_column = 'node_id', create_index = 'primary_key' },
+                columns = {}
+            })
+
+            function osm2pgsql.process_node(object)
+                t:insert({})
+            end
+            """
+        When running osm2pgsql flex
+        Then table foo has 1562 rows
+        And SELECT indexdef FROM pg_indexes WHERE tablename = 'foo'
+            | indexdef@fullmatch |
+            | CREATE UNIQUE INDEX .* USING .*\(node_id\) |
+        And table pg_catalog.pg_index has 1 row with condition
+            """
+            indrelid = 'foo'::regclass and indisprimary
+            """
+
diff --git a/tests/bdd/flex/lua-table-definitions.feature b/tests/bdd/flex/lua-table-definitions.feature
index 24364825d..a061b1b28 100644
--- a/tests/bdd/flex/lua-table-definitions.feature
+++ b/tests/bdd/flex/lua-table-definitions.feature
@@ -99,40 +99,6 @@ Feature: Table definitions in Lua file
         When running osm2pgsql flex
         Then table foo has 1562 rows
 
-    Scenario: Unique index is okay
-        Given the input file 'liechtenstein-2013-08-03.osm.pbf'
-        And the lua style
-            """
-            local t = osm2pgsql.define_table({
-                name = 'foo',
-                ids = { type = 'node', id_column = 'node_id', index = 'unique' },
-                columns = {}
-            })
-
-            function osm2pgsql.process_node(object)
-                t:insert({})
-            end
-            """
-        When running osm2pgsql flex
-        Then table foo has 1562 rows
-
-    Scenario: Primary key is okay
-        Given the input file 'liechtenstein-2013-08-03.osm.pbf'
-        And the lua style
-            """
-            local t = osm2pgsql.define_table({
-                name = 'foo',
-                ids = { type = 'node', id_column = 'node_id', index = 'primary_key' },
-                columns = {}
-            })
-
-            function osm2pgsql.process_node(object)
-                t:insert({})
-            end
-            """
-        When running osm2pgsql flex
-        Then table foo has 1562 rows
-
     Scenario: Can not create two tables with the same name
         Given the input file 'liechtenstein-2013-08-03.osm.pbf'
         And the lua style
diff --git a/tests/bdd/steps/steps_db.py b/tests/bdd/steps/steps_db.py
index 027d1af92..5d7a99523 100644
--- a/tests/bdd/steps/steps_db.py
+++ b/tests/bdd/steps/steps_db.py
@@ -153,6 +153,8 @@ def __init__(self, row, headings, factory):
                 self.data.append(None)
             elif head.lower().startswith('st_astext('):
                 self.data.append(DBValueGeometry(value, props, factory))
+            elif props == 'fullmatch':
+                self.data.append(DBValueRegex(value))
             else:
                 self.data.append(str(value))
 
@@ -234,3 +236,15 @@ def __eq__(self, other):
 
     def __repr__(self):
         return repr(self.value)
+
+
+class DBValueRegex:
+
+    def __init__(self, value):
+        self.value = str(value)
+
+    def __eq__(self, other):
+        return re.fullmatch(str(other), self.value) is not None
+
+    def __repr__(self):
+        return repr(self.value)