diff --git a/railties/lib/rails/generators/rails/plugin/plugin_generator.rb b/railties/lib/rails/generators/rails/plugin/plugin_generator.rb
index 9ec0ccbe7a42d839e9e841d7a4c8fdae581246a2..a018a98c53f56f834d234afe22ffad26f7ad4cf1 100644
--- a/railties/lib/rails/generators/rails/plugin/plugin_generator.rb
+++ b/railties/lib/rails/generators/rails/plugin/plugin_generator.rb
@@ -98,6 +98,7 @@ def generate_test_dummy(force = false)
       opts[:skip_listen] = true
       opts[:skip_git] = true
       opts[:skip_turbolinks] = true
+      opts[:skip_webpack_install] = true
       opts[:dummy_app] = true
 
       invoke Rails::Generators::AppGenerator,
diff --git a/railties/test/generators/app_generator_test.rb b/railties/test/generators/app_generator_test.rb
index 59fc2fcf96101a8a9a29ee30fa8ee30dd3da87dc..90fa89e687ecdb0b66e742943da7fef26820950a 100644
--- a/railties/test/generators/app_generator_test.rb
+++ b/railties/test/generators/app_generator_test.rb
@@ -113,7 +113,7 @@ def test_skip_bundle
   end
 
   def test_assets
-    run_generator [destination_root, "--no-skip-javascript"]
+    run_generator [destination_root, "--no-skip-javascript", "--skip-webpack-install"]
 
     assert_file("app/views/layouts/application.html.erb", /stylesheet_link_tag\s+'application', media: 'all', 'data-turbolinks-track': 'reload'/)
     assert_file("app/views/layouts/application.html.erb", /javascript_pack_tag\s+'application', 'data-turbolinks-track': 'reload'/)
@@ -840,7 +840,7 @@ def test_skip_webpack_install
   end
 
   def test_generator_if_skip_turbolinks_is_given
-    run_generator [destination_root, "--skip-turbolinks", "--no-skip-javascript"]
+    run_generator [destination_root, "--skip-turbolinks", "--no-skip-javascript", "--skip-webpack-install"]
 
     assert_no_gem "turbolinks"
     assert_file "app/views/layouts/application.html.erb" do |content|
diff --git a/railties/test/generators/shared_generator_tests.rb b/railties/test/generators/shared_generator_tests.rb
index b766fa1a710a7d81d84c9cb9dc9c6b1f25063121..e2f8500ea4a1c681bed9c223bbd80172a8c57707 100644
--- a/railties/test/generators/shared_generator_tests.rb
+++ b/railties/test/generators/shared_generator_tests.rb
@@ -27,7 +27,7 @@ def application_path
   end
 
   def test_skeleton_is_created
-    run_generator [destination_root, "--no-skip-javascript"]
+    run_generator [destination_root, "--no-skip-javascript", "--skip-webpack-install"]
 
     default_files.each { |path| assert_file path }
   end
@@ -196,7 +196,7 @@ def test_generator_if_skip_active_record_is_given
   end
 
   def test_generator_for_active_storage
-    run_generator [destination_root, "--no-skip-javascript"]
+    run_generator [destination_root, "--no-skip-javascript", "--skip-webpack-install"]
 
     unless generator_class.name == "Rails::Generators::PluginGenerator"
       assert_file "#{application_path}/app/javascript/packs/application.js" do |content|
@@ -226,7 +226,7 @@ def test_generator_for_active_storage
   end
 
   def test_generator_if_skip_active_storage_is_given
-    run_generator [destination_root, "--skip-active-storage", "--no-skip-javascript"]
+    run_generator [destination_root, "--skip-active-storage", "--no-skip-javascript", "--skip-webpack-install"]
 
     assert_file "#{application_path}/config/application.rb", /#\s+require\s+["']active_storage\/engine["']/
 
@@ -256,7 +256,7 @@ def test_generator_if_skip_active_storage_is_given
   end
 
   def test_generator_does_not_generate_active_storage_contents_if_skip_active_record_is_given
-    run_generator [destination_root, "--skip-active-record", "--no-skip-javascript"]
+    run_generator [destination_root, "--skip-active-record", "--no-skip-javascript", "--skip-webpack-install"]
 
     assert_file "#{application_path}/config/application.rb", /#\s+require\s+["']active_storage\/engine["']/