Newer assertions for type checks

exercises/concept/amusement-park/attendee_test.rb

@@ -4,7 +4,7 @@
 class AttendeeTest < Minitest::Test
   def test_new_instance
     height = 100
-    assert_equal Attendee, Attendee.new(height).class
+    assert_instance_of Attendee, Attendee.new(height)
   end
 
   def test_new_instance_height

exercises/concept/boutique-inventory-improvements/boutique_inventory_test.rb

@@ -48,7 +48,7 @@ def test_items_is_an_array_of_ostruct
     coat = { price: 65.00, name: "Coat", quantity_by_size: { m: 1, l: 2 } }
     handkerchief = { price: 19.99, name: "Handkerchief", quantity_by_size: { s: 3, m: 2 } }
     items = [shoes, coat, handkerchief]
-    assert_equal Array, BoutiqueInventory.new(items).items.class
-    assert_equal OpenStruct, BoutiqueInventory.new(items).items.first.class
+    assert_instance_of Array, BoutiqueInventory.new(items).items
+    assert_instance_of OpenStruct, BoutiqueInventory.new(items).items.first
   end
 end

exercises/practice/clock/clock_test.rb

@@ -209,14 +209,14 @@ def test_clocks_a_minute_apart
     skip
     clock1 = Clock.new(hour: 15, minute: 36)
     clock2 = Clock.new(hour: 15, minute: 37)
-    refute clock1 == clock2
+    refute_equal clock1, clock2
   end
 
   def test_clocks_an_hour_apart
     skip
     clock1 = Clock.new(hour: 14, minute: 37)
     clock2 = Clock.new(hour: 15, minute: 37)
-    refute clock1 == clock2
+    refute_equal clock1, clock2
   end
 
   def test_clocks_with_hour_overflow

exercises/practice/simple-linked-list/simple_linked_list_test.rb

@@ -92,7 +92,7 @@ def test_list_created_from_array_still_made_up_of_elements
     skip
     array = [1, 2, 3]
     list = SimpleLinkedList.new(array)
-    assert_equal Element, list.pop.class
+    assert_instance_of Element, list.pop
   end
 
   def test_list_from_array_still_acts_as_lifo