fixup! Remove Rails <6.1 and Ruby <2.7 from the test matrix

Author: FLeinzi

spec/support/database.rb

@@ -10,7 +10,11 @@
     t.string :genre
     t.integer :year
     t.integer :duration
-    t.string :multi_genres, :array => true
+    if ActiveRecord::Base.connection.instance_of?(ActiveRecord::ConnectionAdapters::AbstractMysqlAdapter)
+      t.string :multi_genres
+    else
+      t.string :multi_genres, :array => true
+    end
     t.json :metadata
   end