fix bdd tests and docs

docs/api/Output.md

@@ -127,7 +127,7 @@ formats depending on the API call.
   </result>
   <addressparts>
      <state>Bavaria</state>
-     <ISO3166-2-lvl4>DE-BY</state_code>
+     <ISO3166-2-lvl4>DE-BY</ISO3166-2-lvl4>
      <country>Germany</country>
      <country_code>de</country_code>
   </addressparts>
@@ -181,7 +181,7 @@ Additional information requested with `addressdetails=1`, `extratags=1` and
     <city>London</city>
     <state_district>Greater London</state_district>
     <state>England</state>
-    <ISO3166-2-lvl4>GB-ENG</state_code>
+    <ISO3166-2-lvl4>GB-ENG</ISO3166-2-lvl4>
     <postcode>SW1A 2DU</postcode>
     <country>United Kingdom</country>
     <country_code>gb</country_code>

test/bdd/api/search/params.feature

@@ -34,7 +34,7 @@ Feature: Search queries
           | postcode     | 9495 |
           | country      | Liechtenstein |
           | country_code | li |
-          | ISO3166-2-lvl12 | LI-09 |
+          | ISO3166-2-lvl8 | LI-09 |
 
     Examples:
           | format |

test/bdd/api/search/queries.feature

@@ -15,7 +15,7 @@ Feature: Search queries
           | postcode     | 9497 |
           | country      | Liechtenstein |
           | country_code | li |
-          | ISO3166-2-lvl10  | LI-10 |
+          | ISO3166-2-lvl8  | LI-10 |
 
     Scenario: House number interpolation
         When sending json search query "Grosssteg 1023, Triesenberg" with address
@@ -42,7 +42,7 @@ Feature: Search queries
           | town          | Triesenberg |
           | country       | Liechtenstein |
           | country_code  | li |
-          | ISO3166-2-lvl10  | LI-10 |
+          | ISO3166-2-lvl8  | LI-10 |
 
     Scenario Outline: Housenumber 0 can be found
         When sending <format> search query "Gnalpstrasse 0" with address