Silences db/seeds output when running specs

Resolves rubyforgood#1447

db/seeds.rb

@@ -23,10 +23,10 @@ def initialize
   end
 
   def seed
-    puts "Erasing all objects from the database..."
+    log "Erasing all objects from the database..."
     destroy_all
 
-    puts "Creating the objects in the database..."
+    log "Creating the objects in the database..."
     db_populator.create_all_casa_admin("[email protected]")
     db_populator.create_all_casa_admin("[email protected]")
     db_populator.create_org(CasaOrgPopulatorPresets.for_environment.merge({org_name: "Prince George CASA"}))
@@ -35,7 +35,7 @@ def seed
     post_process_data
 
     report_object_counts
-    puts "\nDone.\n\n"
+    log "\nDone.\n\n"
   end
 
   private # -------------------------------------------------------------------------------------------------------
@@ -78,23 +78,29 @@ def get_seed_specification
 
     if seed_environment_value.blank?
       seed = 0
-      puts "\nENV['DB_SEEDS_RANDOM_SEED'] not set to 'random' or a number; setting seed to 0.\n\n"
+      log "\nENV['DB_SEEDS_RANDOM_SEED'] not set to 'random' or a number; setting seed to 0.\n\n"
     elsif seed_environment_value.casecmp("random") == 0
       seed = Random.new_seed
-      puts "\n'random' specified in ENV['DB_SEEDS_RANDOM_SEED']; setting seed to randomly generated value #{seed}.\n\n"
+      log "\n'random' specified in ENV['DB_SEEDS_RANDOM_SEED']; setting seed to randomly generated value #{seed}.\n\n"
     else
       seed = seed_environment_value.to_i
-      puts "\nUsing random seed #{seed} specified in ENV['DB_SEEDS_RANDOM_SEED'].\n\n"
+      log "\nUsing random seed #{seed} specified in ENV['DB_SEEDS_RANDOM_SEED'].\n\n"
     end
     seed
   end
 
   def report_object_counts
-    puts "\nRecords written to the DB:\n\nCount  Class Name\n-----  ----------\n\n"
+    log "\nRecords written to the DB:\n\nCount  Class Name\n-----  ----------\n\n"
     active_record_classes.each do |klass|
-      puts "%5d  %s" % [klass.count, klass.name]
+      log "%5d  %s" % [klass.count, klass.name]
     end
   end
+
+  def log(message)
+    return if Rails.env.test?
+
+    puts message
+  end
 end
 
 SeederMain.new.seed