[PGPRO-5833] Added tests for v14 + tests with nightmare level for v11, v12

Author: kovdb75

.travis.yml

@@ -20,22 +20,24 @@ notifications:
         on_failure: always
 
 env:
+    - PG_VERSION=14 LEVEL=nightmare
+    - PG_VERSION=14 LEVEL=hardcore
+    - PG_VERSION=14
     - PG_VERSION=13 LEVEL=nightmare
     - PG_VERSION=13 LEVEL=hardcore
     - PG_VERSION=13
-    # - PG_VERSION=12 LEVEL=nightmare
+    - PG_VERSION=12 LEVEL=nightmare
     - PG_VERSION=12 LEVEL=hardcore
     - PG_VERSION=12
-    # - PG_VERSION=11 LEVEL=nightmare
+    - PG_VERSION=11 LEVEL=nightmare
     - PG_VERSION=11 LEVEL=hardcore
     - PG_VERSION=11
     - PG_VERSION=10
-    - PG_VERSION=9.6
-    - PG_VERSION=9.5
 
 # XXX: consider fixing nightmare mode
 matrix:
     allow_failures:
         - env: PG_VERSION=11 LEVEL=nightmare
         - env: PG_VERSION=12 LEVEL=nightmare
         - env: PG_VERSION=13 LEVEL=nightmare
+        - env: PG_VERSION=14 LEVEL=nightmare