ns-qualify rex in tests (#1957)

Author: MichaelChirico

tests/testthat/test-knitr_formats.R

@@ -4,7 +4,7 @@ regexes <- list(
   quotes = rex::rex("Only use double-quotes."),
   trailing = rex::rex("Trailing blank lines are superfluous."),
   trailws = rex::rex("Trailing whitespace is superfluous."),
-  indent = rex("Indentation should be")
+  indent = rex::rex("Indentation should be")
 )
 
 test_that("it handles dir", {

tests/testthat/test-object_name_linter.R

@@ -165,12 +165,12 @@ test_that("object_name_linter won't fail if an imported namespace is unavailable
 test_that("object_name_linter supports custom regexes", {
   # disables default styles
   linter <- object_name_linter(
-    regexes = c("shinyModule" = rex(start, lower, zero_or_more(alnum), "UI" %or% "Server", end))
+    regexes = c("shinyModule" = rex::rex(start, lower, zero_or_more(alnum), "UI" %or% "Server", end))
   )
   msg <- rex::rex("Variable and function name style should match shinyModule.")
   linter2 <- object_name_linter(
     styles = c("snake_case", "symbols"),
-    regexes = c("shinyModule" = rex(start, lower, zero_or_more(alnum), "UI" %or% "Server", end))
+    regexes = c("shinyModule" = rex::rex(start, lower, zero_or_more(alnum), "UI" %or% "Server", end))
   )
   msg2 <- rex::rex("Variable and function name style should match snake_case, symbols or shinyModule.")