diff --git a/requirements.txt b/requirements.txt
index 370bb65..ffe6f26 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,11 +13,11 @@
 testrepository>=0.0.18
 pyOpenSSL>=0.14
 oslo.concurrency>=2.3.0 # Apache-2.0
-oslo.config>=2.6.0 # Apache-2.0
+oslo.config>=2.7.0 # Apache-2.0
 oslo.i18n>=1.5.0 # Apache-2.0
 oslo.log>=1.12.0 # Apache-2.0
 oslo.serialization>=1.10.0 # Apache-2.0
-oslo.utils!=2.6.0,>=2.4.0 # Apache-2.0
+oslo.utils>=2.8.0 # Apache-2.0
 six>=1.9.0
 iso8601>=0.1.9
 fixtures>=1.3.1
diff --git a/tempest/scenario/test_baremetal_basic_ops.py b/tempest/scenario/test_baremetal_basic_ops.py
index fa05577..e629f0a 100644
--- a/tempest/scenario/test_baremetal_basic_ops.py
+++ b/tempest/scenario/test_baremetal_basic_ops.py
@@ -63,15 +63,6 @@
             server_id=self.instance['id'],
             status='ACTIVE')
 
-    def create_remote_file(self, client, filename):
-        """Create a file on the remote client connection.
-
-        After creating the file, force a filesystem sync. Otherwise,
-        if we issue a rebuild too quickly, the file may not exist.
-        """
-        client.exec_command('sudo touch ' + filename)
-        client.exec_command('sync')
-
     def verify_partition(self, client, label, mount, gib_size):
         """Verify a labeled partition's mount point and size."""
         LOG.info("Looking for partition %s mounted on %s" % (label, mount))
@@ -118,7 +109,6 @@
     @test.idempotent_id('549173a5-38ec-42bb-b0e2-c8b9f4a08943')
     @test.services('baremetal', 'compute', 'image', 'network')
     def test_baremetal_server_ops(self):
-        test_filename = '/mnt/rebuild_test.txt'
         self.add_keypair()
         self.boot_instance()
         self.validate_ports()
@@ -132,12 +122,13 @@
         # We expect the ephemeral partition to be mounted on /mnt and to have
         # the same size as our flavor definition.
         eph_size = self.get_flavor_ephemeral_size()
-        if eph_size > 0:
+        if eph_size:
             preserve_ephemeral = True
 
             self.verify_partition(vm_client, 'ephemeral0', '/mnt', eph_size)
             # Create the test file
-            self.create_remote_file(vm_client, test_filename)
+            timestamp = self.create_timestamp(
+                floating_ip, private_key=self.keypair['private_key'])
         else:
             preserve_ephemeral = False
 
@@ -146,9 +137,9 @@
         self.verify_connectivity()
 
         # Check that we maintained our data
-        if eph_size > 0:
-            vm_client = self.get_remote_client(self.instance)
+        if eph_size:
             self.verify_partition(vm_client, 'ephemeral0', '/mnt', eph_size)
-            vm_client.exec_command('ls ' + test_filename)
-
+            timestamp2 = self.get_timestamp(
+                floating_ip, private_key=self.keypair['private_key'])
+            self.assertEqual(timestamp, timestamp2)
         self.terminate_instance()
diff --git a/test-requirements.txt b/test-requirements.txt
index db2b2ce..5b01ea9 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -5,7 +5,7 @@
 # needed for doc build
 sphinx!=1.2.0,!=1.3b1,<1.3,>=1.1.2
 python-subunit>=0.0.18
-oslosphinx>=2.5.0 # Apache-2.0
+oslosphinx!=3.4.0,>=2.5.0 # Apache-2.0
 mox>=0.5.3
 mock>=1.2
 coverage>=3.6