fix JRuby on Rails

Author: PragTob

test_projects/rails/rspec_rails/Gemfile

@@ -7,10 +7,14 @@ source "https://rubygems.org"
 gem "rspec-rails"
 gem "simplecov", path: "../../.."
 
+if defined?(JRUBY_VERSION)
+  gem "activerecord-jdbcsqlite3-adapter"
+else
+  gem "sqlite3", "~> 1.4"
+end
+
 # Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
 gem "rails", "~> 6.0.2", ">= 6.0.2.1"
-# Use sqlite3 as the database for Active Record
-gem "sqlite3", "~> 1.4"
 # Use Puma as the app server
 gem "puma", "~> 4.1"
 # Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder

test_projects/rails/rspec_rails/Gemfile.lock

@@ -68,6 +68,8 @@ GEM
     bindex (0.8.1)
     bootsnap (1.4.5)
       msgpack (~> 1.0)
+    bootsnap (1.4.5-java)
+      msgpack (~> 1.0)
     builder (3.2.4)
     byebug (11.1.1)
     capybara (3.31.0)
@@ -103,12 +105,17 @@ GEM
     mini_portile2 (2.4.0)
     minitest (5.14.0)
     msgpack (1.3.3)
+    msgpack (1.3.3-java)
     nio4r (2.5.2)
+    nio4r (2.5.2-java)
     nokogiri (1.10.8)
       mini_portile2 (~> 2.4.0)
+    nokogiri (1.10.8-java)
     public_suffix (4.0.3)
     puma (4.3.1)
       nio4r (~> 2.0)
+    puma (4.3.1-java)
+      nio4r (~> 2.0)
     rack (2.2.2)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
@@ -173,8 +180,11 @@ GEM
     sqlite3 (1.4.2)
     thor (1.0.1)
     thread_safe (0.3.6)
+    thread_safe (0.3.6-java)
     tzinfo (1.2.6)
       thread_safe (~> 0.1)
+    tzinfo-data (1.2019.3)
+      tzinfo (>= 1.0.0)
     web-console (4.0.1)
       actionview (>= 6.0.0)
       activemodel (>= 6.0.0)
@@ -186,12 +196,15 @@ GEM
       selenium-webdriver (>= 3.0, < 4.0)
     websocket-driver (0.7.1)
       websocket-extensions (>= 0.1.0)
+    websocket-driver (0.7.1-java)
+      websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.4)
     xpath (3.2.0)
       nokogiri (~> 1.8)
     zeitwerk (2.2.2)
 
 PLATFORMS
+  java
   ruby
 
 DEPENDENCIES