Merge pull request #2705 from pre-commit/speed-up-r-tests

speed up R unit tests

testing/resources/r_hooks_repo/.pre-commit-hooks.yaml

@@ -1,26 +1,3 @@
-# parsing file
--   id: parse-file-no-opts-no-args
-    name: Say hi
-    entry: Rscript parse-file-no-opts-no-args.R
-    language: r
-    types: [r]
--   id: parse-file-no-opts-args
-    name: Say hi
-    entry: Rscript parse-file-no-opts-args.R
-    args: [--no-cache]
-    language: r
-    types: [r]
-## parsing expr
--   id: parse-expr-no-opts-no-args-1
-    name: Say hi
-    entry: Rscript -e '1+1'
-    language: r
-    types: [r]
--   id: parse-expr-args-in-entry-2
-    name: Say hi
-    entry: Rscript -e '1+1' -e '3' --no-cache3
-    language: r
-    types: [r]
 # real world
 -   id: hello-world
     name: Say hi