Register scalca test toolchain

BUILD.bazel

@@ -14,6 +14,7 @@
 #
 ################################################################################
 #
+load("@io_bazel_rules_scala//scala:scala.bzl", "setup_scala_testing_toolchain")
 load("@bazel_gazelle//:def.bzl", "gazelle")
 load("@python_versions//3.11:defs.bzl", "compile_pip_requirements")
 
@@ -31,3 +32,16 @@ compile_pip_requirements(
     requirements_in = "requirements.in",
     requirements_txt = "requirements_lock.txt",
 )
+
+setup_scala_testing_toolchain(
+    name = "scalatest_toolchain",
+    scalatest_classpath = [
+       "@maven//:org_scalactic_scalactic_2_13",
+       "@maven//:org_scalatest_scalatest_2_13",
+       "@maven//:org_scalatest_scalatest_compatible",
+       "@maven//:org_scalatest_scalatest_core_2_13",
+       "@maven//:org_scalatest_scalatest_flatspec_2_13",
+       "@maven//:org_scalatest_scalatest_matchers_core_2_13",
+       "@maven//:org_scalatest_scalatest_mustmatchers_2_13",
+    ],
+)

MODULE.bazel

@@ -56,12 +56,7 @@ use_repo(pip, "rules_webtesting_py_deps")
 
 ##### Scala dependencies #####
 
-register_toolchains(
-    # "@io_bazel_rules_scala//scala:unused_dependency_checker_error_toolchain",
-    # "@io_bazel_rules_scala//test/proto:scalapb_toolchain",
-    "@io_bazel_rules_scala//test/toolchains:java21_toolchain_definition",
-    dev_dependency = True,
-)
+register_toolchains('//:scalatest_toolchain')
 
 ##### Browsers dependencies #####
 browser_repositories = use_extension("//web/versioned:browsers-0.3.3.bzl", "browser_repositories_extension")