diff --git a/Rakefile b/Rakefile
index 7fac5e0..8483096 100644
--- a/Rakefile
+++ b/Rakefile
@@ -3,19 +3,23 @@
 require "bundler/gem_tasks"
 require "rake/testtask"
 
-Rake::TestTask.new(:postgresql) do |t|
-  t.libs << "test"
-  t.test_files = FileList["test/postgresql_test.rb"]
-end
+ADAPTERS = %w[postgresql mysql sqlite].freeze
 
-Rake::TestTask.new(:mysql) do |t|
-  t.libs << "test"
-  t.test_files = FileList["test/mysql_test.rb"]
+ADAPTERS.each do |adapter|
+  namespace :test do
+    Rake::TestTask.new(adapter) do |t|
+      t.description = "Run #{adapter} tests"
+      t.libs << "test"
+      t.test_files = FileList["test/#{adapter}_test.rb"]
+    end
+  end
 end
 
-Rake::TestTask.new(:sqlite) do |t|
-  t.libs << "test"
-  t.test_files = FileList["test/sqlite_test.rb"]
+desc "Run all tests"
+task :test do
+  ADAPTERS.each do |adapter|
+    Rake::Task["test:#{adapter}"].invoke
+  end
 end
 
-task default: [:postgresql, :mysql, :sqlite]
+task default: :test
diff --git a/test/mysql_test.rb b/test/mysql_test.rb
index 37b62cf..b28a1f8 100644
--- a/test/mysql_test.rb
+++ b/test/mysql_test.rb
@@ -10,6 +10,8 @@ class MysqlTest < ActiveSupport::TestCase
   include PolymorphicAssociationTests
   include ExceptionsTests
 
+  print_test_adapter_info 'mysql'
+
   def setup
     super
     @@setup ||= begin
diff --git a/test/postgresql_test.rb b/test/postgresql_test.rb
index 4716754..8d2db9d 100644
--- a/test/postgresql_test.rb
+++ b/test/postgresql_test.rb
@@ -9,6 +9,8 @@ class PostgresqlTest < ActiveSupport::TestCase
   include PolymorphicAssociationTests
   include ExceptionsTests
 
+  print_test_adapter_info 'postgresql'
+
   def setup
     super
     @@setup ||= begin
diff --git a/test/sqlite_test.rb b/test/sqlite_test.rb
index dcc0898..fa999e7 100644
--- a/test/sqlite_test.rb
+++ b/test/sqlite_test.rb
@@ -9,6 +9,8 @@ class SqliteTest < ActiveSupport::TestCase
   include PolymorphicAssociationTests
   include ExceptionsTests
 
+  print_test_adapter_info 'sqlite'
+
   def setup
     super
     @@setup ||= begin
diff --git a/test/test_helper.rb b/test/test_helper.rb
index 7eee279..2218f32 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
-require "simplecov"
-SimpleCov.start
+# require "simplecov"
+# SimpleCov.start
 require "bundler/setup"
 Bundler.require(:default)
 require "minitest/autorun"
@@ -348,3 +348,7 @@ def test_error_with_wrong_owner_key
     assert_equal("Association named 'person' was not found on Class; perhaps you misspelled it?", e.message)
   end
 end
+
+def print_test_adapter_info(adapter)
+  puts "Running tests for #{adapter} adapter"
+end