Require jruby 9.1.x (ruby2.3) and 9.2.x (ruby2.5) to pass on Travis

9.1.x should pass against the following rails versions:
- 4.1
- 4.2
- 5.0
- 5.1
- 5.2

9.2.x should pass against the following rails versions:
- 4.2
- 5.0
- 5.1
- 5.2
- 6.0

Author: wasifhossain

.travis.yml

@@ -20,12 +20,19 @@ jdk_supported_versions:
 
 rails_supported_versions:
   - &rails_4_1 RAILS_VERSION=4.1
+  - &rails_4_1_jruby RAILS_VERSION=4.1 JRUBY_OPTS='--dev -J-Xmx1024M --debug'
   - &rails_4_2 RAILS_VERSION=4.2
+  - &rails_4_2_jruby RAILS_VERSION=4.2 JRUBY_OPTS='--dev -J-Xmx1024M --debug'
   - &rails_5_0 RAILS_VERSION=5.0
+  - &rails_5_0_jruby RAILS_VERSION=5.0 JRUBY_OPTS='--dev -J-Xmx1024M --debug'
   - &rails_5_1 RAILS_VERSION=5.1
+  - &rails_5_1_jruby RAILS_VERSION=5.1 JRUBY_OPTS='--dev -J-Xmx1024M --debug'
   - &rails_5_2 RAILS_VERSION=5.2
+  - &rails_5_2_jruby RAILS_VERSION=5.2 JRUBY_OPTS='--dev -J-Xmx1024M --debug'
   - &rails_6_0 RAILS_VERSION=6.0.0.rc2
+  - &rails_6_0_jruby RAILS_VERSION=6.0.0.rc2 JRUBY_OPTS='--dev -J-Xmx1024M --debug'
   - &rails_master RAILS_VERSION=master
+  - &rails_master_jruby RAILS_VERSION=master JRUBY_OPTS='--dev -J-Xmx1024M --debug'
 
 cache:
   directories:
@@ -65,25 +72,26 @@ branches:
 
 matrix:
   include:
-    - { rvm: *jruby_9_1,  jdk: *jdk_8, env: "RAILS_VERSION=4.1 JRUBY_OPTS='--dev -J-Xmx1024M --debug'" }
-    - { rvm: *jruby_9_1,  jdk: *jdk_8, env: "RAILS_VERSION=4.2 JRUBY_OPTS='--dev -J-Xmx1024M --debug'" }
-    - { rvm: *jruby_9_1,  jdk: *jdk_8, env: "RAILS_VERSION=5.0 JRUBY_OPTS='--dev -J-Xmx1024M --debug'" }
-    - { rvm: *jruby_9_1,  jdk: *jdk_8, env: "RAILS_VERSION=5.1 JRUBY_OPTS='--dev -J-Xmx1024M --debug'" }
-    - { rvm: *jruby_9_1,  jdk: *jdk_8, env: "RAILS_VERSION=5.2 JRUBY_OPTS='--dev -J-Xmx1024M --debug'" }
-
-    - { rvm: *jruby_9_2,  jdk: *jdk_8, env: "RAILS_VERSION=4.2 JRUBY_OPTS='--dev -J-Xmx1024M --debug'" }
-    - { rvm: *jruby_9_2,  jdk: *jdk_8, env: "RAILS_VERSION=5.0 JRUBY_OPTS='--dev -J-Xmx1024M --debug'" }
-    - { rvm: *jruby_9_2,  jdk: *jdk_8, env: "RAILS_VERSION=5.1 JRUBY_OPTS='--dev -J-Xmx1024M --debug'" }
-    - { rvm: *jruby_9_2,  jdk: *jdk_8, env: "RAILS_VERSION=5.2 JRUBY_OPTS='--dev -J-Xmx1024M --debug'" }
-    - { rvm: *jruby_9_2,  jdk: *jdk_8, env: "RAILS_VERSION=6.0.0.rc2 JRUBY_OPTS='--dev -J-Xmx1024M --debug'" }
-    - { rvm: *jruby_9_2,  jdk: *jdk_8, env: "RAILS_VERSION=master JRUBY_OPTS='--dev -J-Xmx1024M --debug'" }
-
-    - { rvm: *jruby_head, jdk: *jdk_8, env: "RAILS_VERSION=4.2 JRUBY_OPTS='--dev -J-Xmx1024M --debug'" }
-    - { rvm: *jruby_head, jdk: *jdk_8, env: "RAILS_VERSION=5.0 JRUBY_OPTS='--dev -J-Xmx1024M --debug'" }
-    - { rvm: *jruby_head, jdk: *jdk_8, env: "RAILS_VERSION=5.1 JRUBY_OPTS='--dev -J-Xmx1024M --debug'" }
-    - { rvm: *jruby_head, jdk: *jdk_8, env: "RAILS_VERSION=5.2 JRUBY_OPTS='--dev -J-Xmx1024M --debug'" }
-    - { rvm: *jruby_head, jdk: *jdk_8, env: "RAILS_VERSION=6.0.0.rc2 JRUBY_OPTS='--dev -J-Xmx1024M --debug'" }
-    - { rvm: *jruby_head, jdk: *jdk_8, env: "RAILS_VERSION=master JRUBY_OPTS='--dev -J-Xmx1024M --debug'" }
+    - { rvm: *jruby_9_1,  jdk: *jdk_8, env: *rails_4_1_jruby }
+    - { rvm: *jruby_9_1,  jdk: *jdk_8, env: *rails_4_2_jruby }
+    - { rvm: *jruby_9_1,  jdk: *jdk_8, env: *rails_5_0_jruby }
+    - { rvm: *jruby_9_1,  jdk: *jdk_8, env: *rails_5_1_jruby }
+    - { rvm: *jruby_9_1,  jdk: *jdk_8, env: *rails_5_2_jruby }
+
+    - { rvm: *jruby_9_2,  jdk: *jdk_8, env: *rails_4_2_jruby }
+    - { rvm: *jruby_9_2,  jdk: *jdk_8, env: *rails_5_0_jruby }
+    - { rvm: *jruby_9_2,  jdk: *jdk_8, env: *rails_5_1_jruby }
+    - { rvm: *jruby_9_2,  jdk: *jdk_8, env: *rails_5_2_jruby }
+    - { rvm: *jruby_9_2,  jdk: *jdk_8, env: *rails_6_0_jruby }
+    - { rvm: *jruby_9_2,  jdk: *jdk_8, env: *rails_master_jruby }
+
+    - { rvm: *jruby_head, jdk: *jdk_8, env: *rails_4_2_jruby }
+    - { rvm: *jruby_head, jdk: *jdk_8, env: *rails_5_0_jruby }
+    - { rvm: *jruby_head, jdk: *jdk_8, env: *rails_5_1_jruby }
+    - { rvm: *jruby_head, jdk: *jdk_8, env: *rails_5_2_jruby }
+    - { rvm: *jruby_head, jdk: *jdk_8, env: *rails_6_0_jruby }
+    - { rvm: *jruby_head, jdk: *jdk_8, env: *rails_master_jruby }
+
   exclude:
     - { rvm: *ruby_2_1,  env: *rails_5_0 }
     - { rvm: *ruby_2_1,  env: *rails_5_1 }
@@ -104,22 +112,13 @@ matrix:
     - { rvm: *ruby_2_5,  env: *rails_4_1 }
     - { rvm: *ruby_2_6,  env: *rails_4_1 }
 
-    # allow RAILS_VERSION=master to fail against ruby 2.5+ until this gem supports RAILS_VERSION
-    # https://github.com/rails/rails/blob/master/RAILS_VERSION
-    # https://github.com/rails-api/active_model_serializers/blob/0-10-stable/active_model_serializers.gemspec#L24
     - { rvm: *ruby_2_5,  env: *rails_master }
     - { rvm: *ruby_2_6,  env: *rails_master }
 
     - rvm: *ruby_head
-    # - { rvm: *ruby_head, env: *rails_4_1 }
-    # - { rvm: *ruby_head, env: *rails_4_2 }
-    # - { rvm: *ruby_head, env: *rails_5_0 }
-    # - { rvm: *ruby_head, env: *rails_5_1 }
-    # - { rvm: *ruby_head, env: *rails_5_2 }
-    # - { rvm: *ruby_head, env: *rails_6_0 }
-    # - { rvm: *ruby_head, env: *rails_master }
-
-    - rvm: *jruby_9_1
-    - rvm: *jruby_9_2
+
+    - { rvm: *jruby_9_2,  jdk: *jdk_8, env: *rails_master_jruby }
+
     - rvm: *jruby_head
+
   fast_finish: true