Remove deprecations for Fixnum in 2.4.

Author: metaskills

test/cases/connection_test_sqlserver.rb

@@ -36,7 +36,7 @@ class ConnectionTestSQLServer < ActiveRecord::TestCase
   describe 'Connection management' do
 
     it 'set spid on connect' do
-      assert_instance_of Fixnum, connection.spid
+      ['Fixnum', 'Integer'].must_include connection.spid.class.name
     end
 
     it 'reset spid on disconnect!' do

test/cases/specific_schema_test_sqlserver.rb

@@ -17,7 +17,7 @@ class SpecificSchemaTestSQLServer < ActiveRecord::TestCase
 
   it 'models can use tinyint pk tables' do
     obj = SSTestTinyintPk.create! name: '1'
-    obj.id.is_a? Fixnum
+    ['Fixnum', 'Integer'].must_include obj.id.class.name
     SSTestTinyintPk.find(obj.id).must_equal obj
   end