4 files changed, 7 insertions, 13 deletions
diff --git a/activerecord/test/cases/migration/index_test.rb b/activerecord/test/cases/migration/index_test.rb
index e388c25161..8d1daa0a04 100644
--- a/activerecord/test/cases/migration/index_test.rb
+++ b/activerecord/test/cases/migration/index_test.rb
@@ -185,14 +185,14 @@ module ActiveRecord
         end
       end
 
-      def test_add_partial_index
-        skip 'only on pg' unless current_adapter?(:PostgreSQLAdapter)
+      if current_adapter?(:PostgreSQLAdapter)
+        def test_add_partial_index
+          connection.add_index("testings", "last_name", :where => "first_name = 'john doe'")
+          assert connection.index_exists?("testings", "last_name")
 
-        connection.add_index("testings", "last_name", :where => "first_name = 'john doe'")
-        assert connection.index_exists?("testings", "last_name")
-
-        connection.remove_index("testings", "last_name")
-        assert !connection.index_exists?("testings", "last_name")
+          connection.remove_index("testings", "last_name")
+          assert !connection.index_exists?("testings", "last_name")
+        end
       end
 
       private
diff --git a/activerecord/test/cases/migration/rename_table_test.rb b/activerecord/test/cases/migration/rename_table_test.rb
index 3ac4dd8934..2a7fafc559 100644
--- a/activerecord/test/cases/migration/rename_table_test.rb
+++ b/activerecord/test/cases/migration/rename_table_test.rb
@@ -78,8 +78,6 @@ module ActiveRecord
 
       if current_adapter?(:PostgreSQLAdapter)
         def test_rename_table_for_postgresql_should_also_rename_default_sequence
-          skip 'not supported'
-
           rename_table :test_models, :octopi
 
           pk, seq = connection.pk_and_sequence_for('octopi')
diff --git a/activerecord/test/cases/migration_test.rb b/activerecord/test/cases/migration_test.rb
index d2f29cf10f..f74e903348 100644
--- a/activerecord/test/cases/migration_test.rb
+++ b/activerecord/test/cases/migration_test.rb
@@ -442,8 +442,6 @@ class MigrationTest < ActiveRecord::TestCase
 
   if current_adapter? :OracleAdapter
     def test_create_table_with_custom_sequence_name
-      skip "not supported"
-
       # table name is 29 chars, the standard sequence name will
       # be 33 chars and should be shortened
       assert_nothing_raised do
diff --git a/activerecord/test/cases/primary_keys_test.rb b/activerecord/test/cases/primary_keys_test.rb
index 3c122478ed..1b915387be 100644
--- a/activerecord/test/cases/primary_keys_test.rb
+++ b/activerecord/test/cases/primary_keys_test.rb
@@ -187,8 +187,6 @@ class PrimaryKeyWithNoConnectionTest < ActiveRecord::TestCase
 
   unless in_memory_db?
     def test_set_primary_key_with_no_connection
-      return skip("disconnect wipes in-memory db")
-
       connection = ActiveRecord::Base.remove_connection
 
       model = Class.new(ActiveRecord::Base)