Running 'testthat.R' [3s]
Running the tests in 'tests/testthat.R' failed.
Complete output:
  > library(testthat)
  > library(USgrid)
  > 
  > test_check("USgrid")
  -- 1. Error: Test US_elec dataset (@test-dataset.R#9)  -------------------------
  DLL 'dplyr' not found: maybe not installed for this architecture?
  Backtrace:
    1. testthat::expect_equal(tsibble::is_tsibble(US_elec), TRUE)
    4. tsibble::is_tsibble
    5. base::getExportedValue(pkg, name)
    6. base::asNamespace(ns)
    7. base::getNamespace(ns)
    8. base::loadNamespace(name)
   11. base::loadNamespace(j <- i[[1L]], c(lib.loc, .libPaths()), versionCheck = vI[[j]])
   12. base::library.dynam(lib, package, package.lib)
  
  -- 2. Error: Test US_source dataset (@test-dataset.R#22)  ----------------------
  DLL 'dplyr' not found: maybe not installed for this architecture?
  Backtrace:
    1. testthat::expect_equal(tsibble::is_tsibble(US_source), TRUE)
    4. tsibble::is_tsibble
    5. base::getExportedValue(pkg, name)
    6. base::asNamespace(ns)
    7. base::getNamespace(ns)
    8. base::loadNamespace(name)
   11. base::loadNamespace(j <- i[[1L]], c(lib.loc, .libPaths()), versionCheck = vI[[j]])
   12. base::library.dynam(lib, package, package.lib)
  
  -- 3. Error: Test Cal_elec dataset (@test-dataset.R#35)  -----------------------
  DLL 'dplyr' not found: maybe not installed for this architecture?
  Backtrace:
    1. testthat::expect_equal(tsibble::is_tsibble(Cal_elec), TRUE)
    4. tsibble::is_tsibble
    5. base::getExportedValue(pkg, name)
    6. base::asNamespace(ns)
    7. base::getNamespace(ns)
    8. base::loadNamespace(name)
   11. base::loadNamespace(j <- i[[1L]], c(lib.loc, .libPaths()), versionCheck = vI[[j]])
   12. base::library.dynam(lib, package, package.lib)
  
  == testthat results  ===========================================================
  [ OK: 6 | SKIPPED: 0 | WARNINGS: 0 | FAILED: 3 ]
  1. Error: Test US_elec dataset (@test-dataset.R#9) 
  2. Error: Test US_source dataset (@test-dataset.R#22) 
  3. Error: Test Cal_elec dataset (@test-dataset.R#35) 
  
  Error: testthat unit tests failed
  Execution halted