message: test: adjust json formatting in tests for recent changes
diff: @@ -105,7 +105,7 @@ TEST(Tree, Sets_clade) {
  }
  }
  }
  - )"_json.dump(4);
  + )"_json.dump(2);
  EXPECT_EQ(expected, tree.serialize());
  }
  @@ -143,7 +143,7 @@ TEST(Tree, Sets_divergence) {
  }
  }
  }
  - )"_json.dump(4);
  + )"_json.dump(2);
  EXPECT_EQ(expected, tree.serialize());
  }
  