Add Postgresql 11 to smoke-tests.

wrouesnel · wrouesnel · commit 474a600842cb · 2018-11-11T15:40:09.000+11:00
diff --git a/cmd/postgres_exporter/tests/test-smoke b/cmd/postgres_exporter/tests/test-smoke
@@ -33,6 +33,7 @@ VERSIONS=( \
     9.5 \
     9.6 \
     10 \
+    11 \
 )
 
 wait_for_postgres(){
