Update tests/testthat/test-docker.R

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Author: jkylearmstrong

tests/testthat/test-docker.R

@@ -5,7 +5,10 @@ test_that("use_dockerfile() creates Dockerfile", {
   expect_no_error(use_dockerfile(open = FALSE, use_git = TRUE))
   expect_true(file_exists(proj_path("Dockerfile")))
   content <- readLines(proj_path("Dockerfile"))
-  expect_match(paste(content, collapse = "\n"), "Multi-stage build for R package")
+  expect_match(
+    paste(content, collapse = "\n"),
+    "Multi-stage build for R package"
+  )
 })
 
 test_that("use_dockerfile() sets defaults from DESCRIPTION", {