Replace pghost -> localhost

Author: SergeiPavlov

.github/workflows/test-postgres.yaml

@@ -22,7 +22,6 @@ jobs:
       - uses: ikalnytskyi/action-setup-postgres@v6 
       - name: Init Test DB
         run: |
-            echo 127.0.0.1 pghost >>/etc/hosts
             createuser dotest
             createdb --owner dotest dotest
             psql -c "ALTER USER dotest WITH PASSWORD 'dotest' SUPERUSER"

Orm/Xtensive.Orm.Tests.Framework/Orm.config

@@ -73,7 +73,7 @@
             connectionUrl="postgresql://dotest:dotest@localhost:54150/dotest" />
 
     <domain name="pgsql160"
-            connectionUrl="postgresql://dotest:dotest@pghost:5432/dotest" />
+            connectionUrl="postgresql://dotest:dotest@localhost:5432/dotest" />
 
     <domain name="oracle10"
             connectionUrl="oracle://dotest:dotest@localhost:5510/ora10" />
@@ -171,7 +171,7 @@
             connectionString="HOST=localhost;PORT=54150;DATABASE=dotest;USER ID=dotest;PASSWORD=dotest" />
 
     <domain name="pgsql160cs" provider="postgresql"
-            connectionString="HOST=pghost;PORT=5432;DATABASE=dotest;USER ID=dotest;PASSWORD=dotest" />
+            connectionString="HOST=localhost;PORT=5432;DATABASE=dotest;USER ID=dotest;PASSWORD=dotest" />
 
     <domain name="oracle10cs" provider="oracle"
             connectionString="DATA SOURCE=&quot;(DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=localhost)(PORT=5510))(CONNECT_DATA=(SERVICE_NAME=ora10)))&quot;;USER ID=dotest;PASSWORD=dotest" />