Change test_registering_new_handlers and test_count_on_invalid_column…

…s_raises

tesetcases assertion to case insensitive because Oracle database adapter
handles table name in uppercase.

activerecord/test/cases/calculations_test.rb

@@ -172,7 +172,7 @@ def test_count_on_invalid_columns_raises
       Account.select("credit_limit, firm_name").count
     }
 
-    assert_match "accounts", e.message
+    assert_match %r{accounts}i, e.message
     assert_match "credit_limit, firm_name", e.message
   end
 

activerecord/test/cases/relation/predicate_builder_test.rb

@@ -8,7 +8,7 @@ def test_registering_new_handlers
         Arel::Nodes::InfixOperation.new('~', column, value.source)
       end)
 
-      assert_match %r{["`]topics["`].["`]title["`] ~ 'rails'}, Topic.where(title: /rails/).to_sql
+      assert_match %r{["`]topics["`].["`]title["`] ~ 'rails'}i, Topic.where(title: /rails/).to_sql
     end
   end
 end