resolve warnings in tests

test/sandbox/test/rendering_test.rb

@@ -964,11 +964,13 @@ def test_multithread_render
   end
 
   def test_concurrency_deadlock_cache
-    with_compiler_development_mode(true) do
-      with_new_cache do
-        render_inline(ContentEvalComponent.new) do
-          ViewComponent::CompileCache.invalidate!
-          render_inline(ContentEvalComponent.new)
+    assert_nothing_raised do
+      with_compiler_development_mode(true) do
+        with_new_cache do
+          render_inline(ContentEvalComponent.new) do
+            ViewComponent::CompileCache.invalidate!
+            render_inline(ContentEvalComponent.new)
+          end
         end
       end
     end
@@ -1089,27 +1091,29 @@ def test_renders_nested_collection
   end
 
   def test_concurrency_deadlock
-    with_compiler_development_mode(true) do
-      with_new_cache do
-        mutex = Mutex.new
+    assert_nothing_raised do
+      with_compiler_development_mode(true) do
+        with_new_cache do
+          mutex = Mutex.new
 
-        t1 = Thread.new do
-          mutex.synchronize do
-            sleep 0.02
-            render_inline(ContentEvalComponent.new)
+          t1 = Thread.new do
+            mutex.synchronize do
+              sleep 0.02
+              render_inline(ContentEvalComponent.new)
+            end
           end
-        end
 
-        t = Thread.new do
-          render_inline(ContentEvalComponent.new) do
-            mutex.synchronize do
-              sleep 0.01
+          t = Thread.new do
+            render_inline(ContentEvalComponent.new) do
+              mutex.synchronize do
+                sleep 0.01
+              end
             end
           end
-        end
 
-        t1.join
-        t.join
+          t1.join
+          t.join
+        end
       end
     end
   end

test/sandbox/test/slotable_test.rb

@@ -298,8 +298,10 @@ def test_slot_with_block_content
   end
 
   def test_lambda_slot_with_missing_block
-    render_inline(SlotsComponent.new(classes: "mt-4")) do |component|
-      component.with_footer(classes: "text-blue")
+    assert_nothing_raised do
+      render_inline(SlotsComponent.new(classes: "mt-4")) do |component|
+        component.with_footer(classes: "text-blue")
+      end
     end
   end
 

test/sandbox/test/view_component_system_test.rb

@@ -34,14 +34,16 @@ def test_component_with_params
   end
 
   def test_components_with_slots
-    with_rendered_component_path(render_inline(SlotsComponent.new) do |component|
-      component.with_title do
-        "This is my title!"
+    assert_nothing_raised do
+      with_rendered_component_path(render_inline(SlotsComponent.new) do |component|
+        component.with_title do
+          "This is my title!"
+        end
+      end) do |path|
+        visit path
+
+        find(".title", text: "This is my title!")
       end
-    end) do |path|
-      visit path
-
-      find(".title", text: "This is my title!")
     end
   end