Create role publicuser if it does not exist

src/pg/test/expected/01_install_test.out

@@ -1,5 +1,18 @@
 -- Install dependencies
 CREATE EXTENSION plpythonu;
 CREATE EXTENSION postgis;
+-- Create role publicuser if it does not exist
+DO
+$$
+BEGIN
+   IF NOT EXISTS (
+      SELECT *
+      FROM   pg_catalog.pg_user
+      WHERE  usename = 'publicuser') THEN
+
+      CREATE ROLE publicuser LOGIN;
+   END IF;
+END
+$$ LANGUAGE plpgsql;
 -- Install the extension
 CREATE EXTENSION crankshaft VERSION 'dev';

src/pg/test/sql/01_install_test.sql

@@ -2,5 +2,19 @@
 CREATE EXTENSION plpythonu;
 CREATE EXTENSION postgis;
 
+-- Create role publicuser if it does not exist
+DO
+$$
+BEGIN
+   IF NOT EXISTS (
+      SELECT *
+      FROM   pg_catalog.pg_user
+      WHERE  usename = 'publicuser') THEN
+
+      CREATE ROLE publicuser LOGIN;
+   END IF;
+END
+$$ LANGUAGE plpgsql;
+
 -- Install the extension
 CREATE EXTENSION crankshaft VERSION 'dev';