add with-test group

Author: aspeddro

.github/workflows/ci.yml

@@ -150,7 +150,7 @@ jobs:
       # matrix.ocaml_compiler may contain commas
       - name: Get OPAM cache key
         shell: bash
-        run: echo "opam_cache_key=opam-env-v4-${{ matrix.os }}-${{ matrix.ocaml_compiler }}-${{ hashFiles('dune-project') }}" | sed 's/,/-/g' >> $GITHUB_ENV
+        run: echo "opam_cache_key=opam-env-v5-${{ matrix.os }}-${{ matrix.ocaml_compiler }}-${{ hashFiles('dune-project') }}" | sed 's/,/-/g' >> $GITHUB_ENV
 
       - name: Restore OPAM environment
         id: cache-opam-env
@@ -186,9 +186,7 @@ jobs:
 
       - name: Install OPAM dependencies
         if: steps.cache-opam-env.outputs.cache-hit != 'true'
-        run: |
-          opam install . --deps-only
-          opam install ocamlformat=0.26.2
+        run: opam install . --deps-only --with-test
 
       - name: Cache OPAM environment
         if: steps.cache-opam-env.outputs.cache-hit != 'true'

CONTRIBUTING.md

@@ -49,7 +49,7 @@ opam init
 opam switch create 5.2.0 # can also create local switch with opam switch create
 
 # Install dev dependencies from OPAM
-opam install . --deps-only --with-dev-setup -y
+opam install . --deps-only --with-test --with-dev-setup -y
 ```
 
 #### npm install

dune-project

@@ -22,7 +22,7 @@
    (>= 4.10))
   (ocamlformat
    (and
-    :with-dev-setup
+    :with-test
     (= 0.26.2)))
   (ocaml-lsp-server
    (and

rescript.opam

@@ -8,7 +8,7 @@ homepage: "https://github.com/rescript-lang/rescript-compiler"
 bug-reports: "https://github.com/rescript-lang/rescript-compiler/issues"
 depends: [
   "ocaml" {>= "4.10"}
-  "ocamlformat" {with-dev-setup & = "0.26.2"}
+  "ocamlformat" {with-test & = "0.26.2"}
   "ocaml-lsp-server" {with-dev-setup & = "1.19.0"}
   "cppo" {= "1.6.9"}
   "js_of_ocaml" {= "5.8.1"}