[1461] make test config files multiline

tests/lettuce/configurations/ddns/noddns.config.orig

@@ -1 +1,29 @@
-{"version": 2, "Logging": {"loggers": [{"severity": "DEBUG", "name": "*", "debuglevel": 99}]}, "DDNS": {"zones": []}, "Auth": {"database_file": "data/ddns/example.org.sqlite3", "listen_on": [{"port": 47806, "address": "127.0.0.1"}]}, "Boss": {"components": {"b10-xfrout": {"kind": "dispensable"}, "b10-auth": {"kind": "needed", "special": "auth"}, "b10-cmdctl": {"kind": "needed", "special": "cmdctl"}}}}
+{
+    "version": 2,
+    "Logging": {
+        "loggers": [
+            {
+                "severity": "DEBUG",
+                "name": "*",
+                "debuglevel": 99
+            }
+        ]
+    },
+    "DDNS": {"zones": []},
+    "Auth": {
+        "database_file": "data/ddns/example.org.sqlite3",
+        "listen_on": [
+            {
+                "port": 47806,
+                "address": "127.0.0.1"
+            }
+        ]
+    },
+    "Boss": {
+        "components": {
+            "b10-xfrout": {"kind": "dispensable"},
+            "b10-auth": {"kind": "needed", "special": "auth"},
+            "b10-cmdctl": {"kind": "needed", "special": "cmdctl"}
+        }
+    }
+}