Merge pull request #2484 from Shopify/uk-fix-missing-specs-test

Fix missing gem specs test

Author: paracycle

spec/tapioca/cli/gem_spec.rb

@@ -767,11 +767,15 @@ class Secret; end
 
         it "must not generate RBIs for missing gem specs" do
           @project.write_gemfile!(<<~GEMFILE, append: true)
-            platform :rbx do
+            platform :jruby do
               gem "sidekiq", "=7.1.2"
             end
           GEMFILE
 
+          # We need to add the platform to the lock file so that bundler includes the gem
+          # but it won't be materializable on the current platform (since we are not on JRuby)
+          @project.exec("bundle lock --add-platform jruby")
+
           @project.bundle_install!
 
           result = @project.tapioca("gem --all")