message: Adapt ReshapeFittingSubpartitionsTest
  The partitions in "wrapped first subpartition" mode use their existing
  indentation now. This has been done to support different use cases, e.g.
  wrapped function arguments (8 spaces), or strings inside concatenation
  expressions (4 spaces).
diff: @@ -1425,6 +1425,9 @@ TEST_F(ReshapeFittingSubpartitionsTest, NoneOneFits) {
  UnwrappedLine all(0, header.TokensRange().begin());
  all.SpanUpToToken(arg5.TokensRange().end());
  + verible::BasicFormatStyle style; // default
  + style.column_limit = 2;
  +
  using tree_type = TokenPartitionTree;
  tree_type tree{
  all,
  @@ -1439,6 +1442,11 @@ TEST_F(ReshapeFittingSubpartitionsTest, NoneOneFits) {
  },
  };
  + tree.Children()[1].ApplyPreOrder([&style](TokenPartitionTree& node) {
  + auto& uwline = node.Value();
  + uwline.SetIndentationSpaces(style.wrap_spaces);
  + });
  +
  const tree_type tree_expected{
  all,
  tree_type{header, tree_type{header}},
  @@ -1449,8 +1457,6 @@ TEST_F(ReshapeFittingSubpartitionsTest, NoneOneFits) {
  tree_type{arg5, tree_type{arg5}},
  };
  - verible::BasicFormatStyle style; // default
  - style.column_limit = 2;
  ReshapeFittingSubpartitions(&tree, style);
  const auto diff = DeepEqual(tree, tree_expected, TokenRangeEqual);
  @@ -1707,6 +1713,14 @@ TEST_F(ReshapeFittingSubpartitionsFunctionTest,
  },
  };
  + verible::BasicFormatStyle style;
  + style.column_limit = 20;
  +
  + tree.Children()[1].ApplyPreOrder([&style](TokenPartitionTree& node) {
  + auto& uwline = node.Value();
  + uwline.SetIndentationSpaces(style.wrap_spaces);
  + });
  +
  // Expect each subpartition in its own partition...
  const tree_type tree_expected{
  all,
  @@ -1719,8 +1733,6 @@ TEST_F(ReshapeFittingSubpartitionsFunctionTest,
  tree_type{arg6, tree_type{arg6}},
  };
  - verible::BasicFormatStyle style;
  - style.column_limit = 20;
  ReshapeFittingSubpartitions(&tree, style);
  const auto diff = DeepEqual(tree, tree_expected, TokenRangeEqual);
  @@ -1781,6 +1793,14 @@ TEST_F(ReshapeFittingSubpartitionsFunctionTest,
  },
  };
  + verible::BasicFormatStyle style;
  + style.column_limit = 40;
  +
  + tree.Children()[1].ApplyPreOrder([&style](TokenPartitionTree& node) {
  + auto& uwline = node.Value();
  + uwline.SetIndentationSpaces(style.wrap_spaces);
  + });
  +
  UnwrappedLine group1(0, begin);
  group1.SpanUpToToken(header.TokensRange().end());
  UnwrappedLine group2(0, arg1.TokensRange().begin());
  @@ -1811,8 +1831,6 @@ TEST_F(ReshapeFittingSubpartitionsFunctionTest,
  tree_type{arg6},
  }};
  - verible::BasicFormatStyle style;
  - style.column_limit = 40;
  ReshapeFittingSubpartitions(&tree, style);
  const auto diff = DeepEqual(tree, tree_expected, TokenRangeEqual);
  