message: Remove test from swiftpr category.
  This test is failing on the llvm-swift5-transition branch.
  rdar://problem/38190777
diff: @@ -24,7 +24,6 @@ class SwiftGetValueAsUnsignedAPITest(TestBase):
  mydir = TestBase.compute_mydir(__file__)
  @decorators.swiftTest
  - @decorators.add_test_categories(["swiftpr"])
  def test_get_value_as_unsigned_sbapi(self):
  """Tests that the SBValue::GetValueAsUnsigned() API works for Swift types"""
  self.build()
  