Missing r-package lattice

[tobiasdiez]

Steps To Reproduce

In conda with rpy2 installed, run tests.
https://github.com/sagemath/sage/actions/runs/15484009412/job/43594875438#step:15:4175

Expected Behavior

No failure

Actual Behavior

sage -t --warn-long 5.0 --random-seed=162378764216917203877121796522172997184 src/sage/interfaces/r.py
**********************************************************************
Error: Failed example:: Exception raised:
Traceback (most recent call last):
  File "/Users/runner/miniconda3/envs/sage-dev/lib/python3.11/site-packages/sage/doctest/forker.py", line 730, in _run
    self.compile_and_execute(example, compiler, test.globs)
  File "/Users/runner/miniconda3/envs/sage-dev/lib/python3.11/site-packages/sage/doctest/forker.py", line 1154, in compile_and_execute
    exec(compiled, globs)
  File "<doctest sage.interfaces.r.R.plot[5]>", line 1, in <module>
    r.library("lattice")
  File "/Users/runner/miniconda3/envs/sage-dev/lib/python3.11/site-packages/sage/interfaces/r.py", line 860, in library
    raise ImportError("R library {} not installed".format(library_name))
ImportError: R library lattice not installed

    r.library("lattice")
Exception raised:
    Traceback (most recent call last):
      File "/Users/runner/miniconda3/envs/sage-dev/lib/python3.11/site-packages/sage/doctest/forker.py", line 730, in _run
        self.compile_and_execute(example, compiler, test.globs)
      File "/Users/runner/miniconda3/envs/sage-dev/lib/python3.11/site-packages/sage/doctest/forker.py", line 1154, in compile_and_execute
        exec(compiled, globs)
      File "<doctest sage.interfaces.r.R.plot[5]>", line 1, in <module>
        r.library("lattice")
      File "/Users/runner/miniconda3/envs/sage-dev/lib/python3.11/site-packages/sage/interfaces/r.py", line 860, in library
        raise ImportError("R library {} not installed".format(library_name))
    ImportError: R library lattice not installed
**********************************************************************
1 item had failures:
   1 of   7 in sage.interfaces.r.R.plot
R[write to console]: Warning messages:

R[write to console]: 1: 
    [258 tests, 1 failure, 2.69s wall]
R[write to console]: In sage10 + sage6 :
R[write to console]: 
 
R[write to console]:  longer object length is not a multiple of shorter object length

sage -t --warn-long 5.0 --random-seed=162378764216917203877121796522172997184 src/sage/interfaces/read_data.py
R[write to console]: 2: 
    [9 tests, 0.01s wall]
R[write to console]: In sqrt(sage10) :
R[write to console]:  NaNs produced

R[write to console]: 3: 
R[write to console]: In sqrt(sage4) :
R[write to console]:  NaNs produced

The r-feature should probably also test for the lattice library or there should be a special r-library lattice feature that guards this test.

Additional Information

No response

Environment

• OS:
• Sage Version:

Checklist

• I have searched the existing issues for a bug report that matches the one I want to file, without success.
• I have read the documentation and troubleshoot guide