fix typo (#1918)

Author: JBGruber

R/reporter.R

@@ -1,7 +1,7 @@
 #' Manage test reporting
 #'
 #' The job of a reporter is to aggregate the results from files, tests, and
-#' expectations and display them in an informative way. Every testtthat function
+#' expectations and display them in an informative way. Every testthat function
 #' that runs multiple tests provides a `reporter` argument which you can
 #' use to override the default (which is selected by [default_reporter()]).
 #'

man/Reporter.Rd

@@ -33,7 +33,7 @@ In principle, you should be able to be run your test files in any order or even
 
 ## Helper files
 
-Helper files live in `tests/testtthat/`, start with `helper`, and end with `.r` or `.R`.
+Helper files live in `tests/testthat/`, start with `helper`, and end with `.r` or `.R`.
 They are sourced by `devtools::load_all()` (so they're available interactively when developing your packages) and by `test_check()` and friends (so that they're available no matter how your tests are executed).
 
 Helper files are a useful place for functions that you've extracted from repeated code in your tests, whether that be test fixtures (`vignette("test-fixtures")`), custom expectations (`vignette("custom-expectations")`), or skip helpers (`vignette("skipping")`).