Improve this test

Closes #611

Author: jennybc

tests/testthat/test-connection.R

@@ -116,12 +116,16 @@ test_that("vroom_fwf() doesn't leak a connection when opening fails (permission
   Sys.chmod(tfile, mode = "000") # Remove all permissions
   connections_before <- showConnections(all = TRUE)
 
-  # Not using snapshots, because not our error or warning
-  expect_error(
-    expect_warning(
+  # It is conceivable that this vroom_fwf() will succeed if, for example, tests
+  # are being run by root?
+  # See https://github.com/tidyverse/vroom/issues/611
+  # Therefore, we don't state a hard expectation around error or warning.
+  # We just care that connections don't leak.
+  try(
+    suppressWarnings(
       vroom_fwf(file(tfile), fwf_widths(c(6, 6, 6)), show_col_types = FALSE)
     ),
-    "cannot open"
+    silent = TRUE
   )
 
   connections_after <- showConnections(all = TRUE)