message: Enable and disable various tests
  Summary: Scatter tests are in - some image tests are out
  Test Plan: Run tests
  Reviewers: georgep
diff: @@ -30,24 +30,6 @@ GatherTest.testHigherRank # Bad
  MatrixTriangularSolveOpTest.testBatch # Arithmetic precision?
  XlaOpsTest.testShiftRightLogical # using UINT32
  XlaOpsTest.testShiftRightArithmetic # using UINT32
  -ScatterNdTest # scatter
  -SegmentReductionOpsTest # scatter
  -SparseToDenseTest # scatter
  -VariableOpsTest.testScatterAdd # scatter
  -VariableOpsTest.testScatterAddScalar
  -VariableOpsTest.testScatterNdUpdateAddOps
  -VariableOpsTest.testScatterNdAddOps
  -VariableOpsTest.testScatterMulScalar
  -VariableOpsTest.testScatterMul
  -VariableOpsTest.testScatterUpdate
  -VariableOpsTest.testScatterSubScalar
  -VariableOpsTest.testScatterSub
  -VariableOpsTest.testScatterMinScalar
  -VariableOpsTest.testScatterMin
  -VariableOpsTest.testScatterMaxScalar
  -VariableOpsTest.testScatterMax
  -VariableOpsTest.testScatterDivScalar
  -VariableOpsTest.testScatterDiv
  EagerTest.testIdentityOnVariable # Copy back from device failing
  EagerTest.testAssignAddVariable
  EagerTest.testReadAssignRead
  @@ -62,3 +44,6 @@ ExcessivePaddingTest.testAsFunctionInput # No registered OpKernel
  ExcessivePaddingTest.testAsFunctionOutput # No registered OpKernel
  StatelessRandomOpsTest.testRandomUniformIsInRange # Something wrong with Int32
  StatelessRandomOpsTest.testDistributionOfStatelessRandomUniform # As above
  +AdjustContrastTest # Currently taking too long when run alongside other processes
  +AdjustHueTest
  +AdjustSaturationTest
  