message: Make the test smaller
  Reviewers: #tensorflow, hakons
diff: @@ -35,7 +35,7 @@ from tensorflow.compiler.plugin.poplar.ops import gen_pop_datastream_ops
  class HostEmbeddingLookupTest(test_util.TensorFlowTestCase):
  @test_util.deprecated_graph_mode_only
  def testDIENShape(self):
  - shape = [1000000000, 20] # 74GB at float32
  + shape = [10000000, 20] # 740MB at float32
  lookup_count = 4096
  def my_net(i):
  