message: Simplify the graphdef2mlir/graph-func-attr.pbtxt test to be more targeted
  This test is intended to check that NameAttrList are properly imported. The
  CHECK lines are updated to assert this and only this.
diff: # RUN: tf-mlir-translate -graphdef-to-mlir %s -o - | FileCheck %s
  +# CHECK-LABEL: func @main() {
  +
  +# Verify that the NameAttrList is properly turned into reference to functions on import
  +# CHECK: tf.Case
  +# CHECK-SAME: branches = [@[[FOO:[a-z0-9]+]], @[[BAR:[a-z0-9]+]]]
  +# CHECK-DAG: func @[[FOO]]()
  +# CHECK-DAG: func @[[BAR]]()
  +
  node {
  name: "predicate"
  op: "Const"
  @@ -152,16 +160,3 @@ versions {
  min_consumer: 12
  }
  -# CHECK: func @main() {
  -# CHECK-NEXT: %0:2 = "_tf.Const"() {device = "", dtype = "tfdtype$DT_INT32", name = "predicate", value = dense<0> : tensor<i32>} : () -> (tensor<i32>, !_tf.control)
  -# CHECK-NEXT: %1:2 = "_tf.Case"(%0#0) {Tin = [], Tout = ["tfdtype$DT_FLOAT"], branches = [@foo0, @bar0], device = "", name = "Case", output_shapes = []} : (tensor<i32>) -> (tensor<*xf32>, !_tf.control)
  -# CHECK-NEXT: return
  -# CHECK-NEXT: }
  -# CHECK: func @foo0() -> tensor<10xf32> {
  -# CHECK-NEXT: %0:2 = "_tf.Const"() {device = "", dtype = "tfdtype$DT_FLOAT", name = "const_1", value = dense<1.000000e+00> : tensor<10xf32>} : () -> (tensor<10xf32>, !_tf.control)
  -# CHECK-NEXT: return %0#0 : tensor<10xf32>
  -# CHECK-NEXT: }
  -# CHECK: func @bar0() -> tensor<10xf32> {
  -# CHECK-NEXT: %0:2 = "_tf.Const"() {device = "", dtype = "tfdtype$DT_FLOAT", name = "const_2", value = dense<2.000000e+00> : tensor<10xf32>} : () -> (tensor<10xf32>, !_tf.control)
  -# CHECK-NEXT: return %0#0 : tensor<10xf32>
  -# CHECK-NEXT: }
  