Enable `Layout/SpaceAfterSemicolon` cop to avoid newly adding odd spacing

Ref 59ff1ba30d (diff-38fb97fba84b1ef0f311c4110a597c44R35)

.rubocop.yml

@@ -99,6 +99,9 @@ Layout/SpaceAfterColon:
 Layout/SpaceAfterComma:
   Enabled: true
 
+Layout/SpaceAfterSemicolon:
+  Enabled: true
+
 Layout/SpaceAroundEqualsInParameterDefault:
   Enabled: true
 
@@ -109,10 +112,10 @@ Layout/SpaceAroundOperators:
   Enabled: true
 
 Layout/SpaceBeforeComma:
-    Enabled: true
+  Enabled: true
 
 Layout/SpaceBeforeFirstArg:
-    Enabled: true
+  Enabled: true
 
 Style/DefWithParentheses:
   Enabled: true

activerecord/test/cases/associations/has_many_through_associations_test.rb

@@ -374,7 +374,7 @@ class HasManyThroughAssociationsTest < ActiveRecord::TestCase
   end
 
   def test_delete_association
-    assert_queries(2) { posts(:welcome);people(:michael); }
+    assert_queries(2) { posts(:welcome); people(:michael); }
 
     assert_queries(1) do
       posts(:welcome).people.delete(people(:michael))
@@ -601,7 +601,7 @@ class HasManyThroughAssociationsTest < ActiveRecord::TestCase
   end
 
   def test_replace_association
-    assert_queries(4) { posts(:welcome);people(:david);people(:michael); posts(:welcome).people.reload }
+    assert_queries(4) { posts(:welcome); people(:david); people(:michael); posts(:welcome).people.reload }
 
     # 1 query to delete the existing reader (michael)
     # 1 query to associate the new reader (david)
@@ -740,7 +740,7 @@ class HasManyThroughAssociationsTest < ActiveRecord::TestCase
   end
 
   def test_clear_associations
-    assert_queries(2) { posts(:welcome);posts(:welcome).people.reload }
+    assert_queries(2) { posts(:welcome); posts(:welcome).people.reload }
 
     assert_queries(1) do
       posts(:welcome).people.clear

activesupport/test/deprecation_test.rb

@@ -32,7 +32,7 @@ class Deprecatee
   deprecate :f=
 
   deprecate :g
-  def g ;end
+  def g; end
 
   module B
     C = 1