Adapt travis runner

Signed-off-by: Jean-Maxime <[email protected]>

.travis.yml

@@ -1,9 +1,9 @@
 language: ruby
 rvm:
   - ruby-2.4.2
-  - ruby-2.3.5
+  - ruby-2.5.7
   - ruby-head
-  - jruby-9.1.13.0
+  - jruby-9.2.9.0
   - jruby-head
   - rubinius
   - rubinius-3.86
@@ -24,6 +24,7 @@ before_install:
   - /opt/couchbase/bin/couchbase-cli bucket-create -c 127.0.0.1:8091 -u admin -p password --bucket=default --bucket-type=couchbase --bucket-ramsize=160 --bucket-replica=0 --wait
   - sleep 1
   - /opt/couchbase/bin/couchbase-cli user-manage   -c 127.0.0.1:8091 -u admin -p password --set --rbac-username tester --rbac-password password123 --rbac-name "Auto Tester" --roles admin --auth-domain local
+  - curl http://admin:password@localhost:8093/query/service -d 'statement=CREATE INDEX `default_type` ON `default`(`type`)'
   - export TRAVIS_TEST=true
 matrix:
   allow_failures:

couchbase-orm.gemspec

@@ -19,7 +19,7 @@ Gem::Specification.new do |gem|
     gem.add_runtime_dependency     'radix',        '~> 2.2' # converting numbers to and from any base
 
     gem.add_development_dependency 'rake',         '~> 12.2'
-    gem.add_development_dependency 'rspec',        '~> 3.7'
+    gem.add_development_dependency 'rspec',        '= 3.8'
     gem.add_development_dependency 'yard',         '~> 0.9'
     gem.add_development_dependency 'minitest',     '~> 5.10'