Package required but not available: ‘brms’

See section ‘The DESCRIPTION file’ in the ‘Writing R Extensions’
manual.
Running ‘testthat.R’ [2s/3s]
Running the tests in ‘tests/testthat.R’ failed.
Complete output:
  > library(testthat)
  > library(ErrorTracer)
  > 
  > test_check("ErrorTracer")
  [2026-06-08 16:01:53] [ErrorTracer/WARN] env_noise contains predictor(s) not in model: WIND -- ignored
  [2026-06-08 16:01:54] [ErrorTracer/WARN] No beta columns found in draws matrix -- returning zero LP.
  Saving _problems/test-v-env-stability-53.R
  [ FAIL 1 | WARN 0 | SKIP 1 | PASS 171 ]
  
  ══ Skipped tests (1) ═══════════════════════════════════════════════════════════
  • On CRAN (1): 'test-integration.R:21:1'
  
  ══ Failed tests ════════════════════════════════════════════════════════════════
  ── Failure ('test-v-env-stability.R:53:3'): env_var and v_env_mcse are zero when mu_perturbed equals mu_draws_sub ──
  Expected `d$v_env_mcse` to equal `rep(0, n_obs)`.
  Differences:
    `actual`: 0.00 0.00 0.00 0.20
  `expected`: 0.00 0.00 0.00 0.00
  
  
  [ FAIL 1 | WARN 0 | SKIP 1 | PASS 171 ]
  Error:
  ! Test failures.
  Execution halted
Running ‘testthat.R’ [2s/2s]
Running the tests in ‘tests/testthat.R’ failed.
Complete output:
  > library(testthat)
  > library(ErrorTracer)
  > 
  > test_check("ErrorTracer")
  [2026-06-08 14:54:39] [ErrorTracer/WARN] env_noise contains predictor(s) not in model: WIND -- ignored
  [2026-06-08 14:54:40] [ErrorTracer/WARN] No beta columns found in draws matrix -- returning zero LP.
  Saving _problems/test-v-env-stability-53.R
  [ FAIL 1 | WARN 0 | SKIP 1 | PASS 171 ]
  
  ══ Skipped tests (1) ═══════════════════════════════════════════════════════════
  • On CRAN (1): 'test-integration.R:21:1'
  
  ══ Failed tests ════════════════════════════════════════════════════════════════
  ── Failure ('test-v-env-stability.R:53:3'): env_var and v_env_mcse are zero when mu_perturbed equals mu_draws_sub ──
  Expected `d$v_env_mcse` to equal `rep(0, n_obs)`.
  Differences:
    `actual`: 0.00 0.00 0.00 0.20
  `expected`: 0.00 0.00 0.00 0.00
  
  
  [ FAIL 1 | WARN 0 | SKIP 1 | PASS 171 ]
  Error:
  ! Test failures.
  Execution halted