Revert circleci config change

.circleci/config.yml

@@ -2,6 +2,22 @@ version: 2.1
 
 # executors are environments in which a job runs. Here we use docker contaners.
 executors:
+  ruby-2-6:
+    docker:
+      - image: circleci/ruby:2.6.6-node-browsers
+      - image: circleci/postgres:10.6
+        environment:
+          - POSTGRES_USER=draft_approve_test
+          - POSTGRES_DB=draft_approve_test
+
+  ruby-2-7:
+    docker:
+      - image: circleci/ruby:2.7.2-node-browsers
+      - image: circleci/postgres:10.6
+        environment:
+          - POSTGRES_USER=draft_approve_test
+          - POSTGRES_DB=draft_approve_test
+
   ruby-3-0:
     docker:
       - image: circleci/ruby:3.0.0-node-browsers
@@ -17,12 +33,18 @@ jobs:
   # We can use YAML to define a part of a job we alias as 'build', and then include it in other jobs to keep things DRY
   build-default: &build
     parameters:
+      run-activerecord-5-2-x:
+        type: boolean
+        default: true
+      run-activerecord-6-0-x:
+        type: boolean
+        default: true
       run-activerecord-6-1-x:
         type: boolean
         default: true
 
     # Specify a default executor for the job
-    executor: ruby-3-0
+    executor: ruby-2-6
     working_directory: ~/repo
 
     steps:
@@ -62,6 +84,20 @@ jobs:
             mkdir /tmp/test-results
             TEST_FILES="$(circleci tests glob "spec/**/*_spec.rb" | circleci tests split --split-by=timings)"
 
+      - when:
+          condition: << parameters.run-activerecord-5-2-x >>
+          steps:
+            - run:
+                name: run activerecord-5.2.x tests
+                command: bundle exec appraisal activerecord-5-2-x rspec
+
+      - when:
+          condition: << parameters.run-activerecord-6-0-x >>
+          steps:
+            - run:
+                name: run activerecord-6.0.x tests
+                command: bundle exec appraisal activerecord-6-0-x rspec
+
       - when:
           condition: << parameters.run-activerecord-6-1-x >>
           steps:
@@ -76,6 +112,15 @@ jobs:
           path: /tmp/test-results
           destination: test-results
 
+  # Specific build jobs for each ruby version
+  build-ruby-2-6:
+    <<: *build
+    executor: ruby-2-6
+
+  build-ruby-2-7:
+    <<: *build
+    executor: ruby-2-7
+
   build-ruby-3-0:
     <<: *build
     executor: ruby-3-0
@@ -84,4 +129,8 @@ jobs:
 workflows:
   build_all_versions:
     jobs:
-      - build-ruby-3-0
+      - build-ruby-2-6
+      - build-ruby-2-7
+      - build-ruby-3-0:
+          # Rails/ActiveRecord earlier than 6.x is not compatible with ruby 3
+          run-activerecord-5-2-x: false