Refactor UI tests for tm_t_shift_by* modules

[llrs-roche]

Pull Request

Fixes #1440
Companion of #1441

Test with devtools::test(filter = "tm_t_shift_by")

Note that here the tests use the class of the elements instead of the id of the elements like in other PR (#1443, #1442 )

[github-actions]

Unit Tests Summary

  1 files  ±0   71 suites  ±0   1m 20s ⏱️ ±0s
734 tests ±0  155 ✅ ±0  579 💤 ±0  0 ❌ ±0 
874 runs  ±0  176 ✅ ±0  698 💤 ±0  0 ❌ ±0 

Results for commit b8daae7. ± Comparison against base commit 8c95f0b.

[github-actions]

Unit Test Performance Difference

Test suite performance difference

Test Suite	$Status$	Time on main	$±Time$	$±Tests$	$±Skipped$	$±Failures$	$±Errors$
shinytest2-tm_a_gee	💔	$0.23$	$+3.45$	$0$	$0$	$0$	$0$
shinytest2-tm_a_mmrm	💔	$0.66$	$+7.45$	$0$	$0$	$0$	$0$
shinytest2-tm_g_barchart_simple	💔	$0.33$	$+2.61$	$0$	$0$	$0$	$0$
shinytest2-tm_g_ci	💔	$0.20$	$+1.12$	$0$	$0$	$0$	$0$
shinytest2-tm_g_forest_rsp	💔	$0.25$	$+2.58$	$0$	$0$	$0$	$0$
shinytest2-tm_g_ipp	💔	$0.19$	$+2.72$	$0$	$0$	$0$	$0$
shinytest2-tm_g_km	💔	$0.38$	$+3.15$	$0$	$0$	$0$	$0$
shinytest2-tm_g_lineplot	💔	$0.14$	$+1.02$	$0$	$0$	$0$	$0$
shinytest2-tm_g_pp_adverse_events	💔	$0.25$	$+1.73$	$0$	$0$	$0$	$0$
shinytest2-tm_g_pp_patient_timeline	💔	$0.37$	$+4.65$	$0$	$0$	$0$	$0$
shinytest2-tm_g_pp_therapy	💔	$0.33$	$+6.75$	$0$	$0$	$0$	$0$
shinytest2-tm_t_abnormality	💔	$0.13$	$+1.14$	$0$	$0$	$0$	$0$
shinytest2-tm_t_abnormality_by_worst_grade	💔	$0.12$	$+1.31$	$0$	$0$	$0$	$0$
shinytest2-tm_t_ancova	💔	$0.37$	$+1.98$	$0$	$0$	$0$	$0$
shinytest2-tm_t_binary_outcome	💔	$0.14$	$+1.35$	$0$	$0$	$0$	$0$
shinytest2-tm_t_events_by_grade	💔	$0.13$	$+1.46$	$0$	$0$	$0$	$0$
shinytest2-tm_t_events_summary	💔	$0.11$	$+2.41$	$0$	$0$	$0$	$0$
shinytest2-tm_t_exposure	💔	$0.13$	$+2.89$	$0$	$0$	$0$	$0$
shinytest2-tm_t_pp_laboratory	💔	$0.22$	$+1.48$	$0$	$0$	$0$	$0$
shinytest2-tm_t_pp_prior_medication	💔	$0.16$	$+1.75$	$0$	$0$	$0$	$0$
shinytest2-tm_t_shift_by_arm	💔	$0.11$	$+1.23$	$0$	$0$	$0$	$0$
shinytest2-tm_t_shift_by_arm_by_worst	💔	$0.17$	$+1.82$	$0$	$0$	$0$	$0$
shinytest2-tm_t_shift_by_grade	💔	$0.13$	$+1.79$	$0$	$0$	$0$	$0$
shinytest2-tm_t_smq	💔	$0.11$	$+1.25$	$0$	$0$	$0$	$0$
shinytest2-tm_t_summary_by	💔	$0.15$	$+1.46$	$0$	$0$	$0$	$0$

Results for commit c47ba34

♻️ This comment has been updated with latest results.