Fix ActionView tests

Reverts some of the changes from rails#23242.

Author: maclover7

actionview/test/template/text_helper_test.rb

@@ -44,11 +44,11 @@ def test_simple_format
   end
 
   def test_simple_format_should_sanitize_input_when_sanitize_option_is_not_false
-    assert_equal "<p><b> test with unsafe string </b>code!</p>", simple_format("<b> test with unsafe string </b><script>code!</script>")
+    assert_equal "<p><b> test with unsafe string </b></p>", simple_format("<b> test with unsafe string </b><script>code!</script>")
   end
 
   def test_simple_format_should_sanitize_input_when_sanitize_option_is_true
-    assert_equal '<p><b> test with unsafe string </b>code!</p>',
+    assert_equal '<p><b> test with unsafe string </b></p>',
       simple_format('<b> test with unsafe string </b><script>code!</script>', {}, sanitize: true)
   end
 
@@ -193,7 +193,7 @@ def test_highlight
 
   def test_highlight_should_sanitize_input
     assert_equal(
-      "This is a <mark>beautiful</mark> morningcode!",
+      "This is a <mark>beautiful</mark> morning",
       highlight("This is a beautiful morning<script>code!</script>", "beautiful")
     )
   end