include error mode to partial cache key

lib/liquid/partial_cache.rb

@@ -3,7 +3,7 @@
 module Liquid
   class PartialCache
     def self.load(template_name, context:, parse_context:)
-      cached_partials = context.registers[:cached_partials]
+      cached_partials = context.registers[:cached_partials][parse_context.error_mode] ||= {}
       cached = cached_partials[template_name]
       return cached if cached
 

test/unit/partial_cache_unit_test.rb

@@ -174,4 +174,31 @@ def test_uses_template_name_from_template_factory
 
     assert_equal('some/path/my_partial', partial.name)
   end
+
+  def test_includes_error_mode_into_template_cache
+    template_factory = StubTemplateFactory.new
+    context = Liquid::Context.build(
+      registers: {
+        file_system: StubFileSystem.new('my_partial' => 'my partial body'),
+        template_factory: template_factory,
+      },
+    )
+
+    [:lax, :warn, :strict].each do |error_mode|
+      Liquid::PartialCache.load(
+        'my_partial',
+        context: context,
+        parse_context: Liquid::ParseContext.new(error_mode: error_mode),
+      )
+    end
+
+    assert_equal([:lax, :warn, :strict], context.registers[:cached_partials].keys)
+
+    [:lax, :warn, :strict].each do |error_mode|
+      assert_equal(
+        ['my_partial'],
+        context.registers[:cached_partials][error_mode].keys,
+      )
+    end
+  end
 end