Run test_lint.sh in CI

`test_lint.sh` now contains tests to lint `MODULE.bazel` files, so this
runs the script in CI instead of just //tools:lint_check.

Author: mbland

.bazelci/presubmit.yml

@@ -102,10 +102,10 @@ tasks:
     shell_commands:
       - "./test_cross_build.sh"
   lint_linux:
-    name: "bazel //tools:lint_check"
+    name: "./test_lint.sh"
     platform: ubuntu2004
-    run_targets:
-    -  "//tools:lint_check"
+    shell_commands:
+    -  "./test_lint.sh"
   test_rules_scala_jdk21:
     name: "./test_rules_scala with jdk21"
     platform: ubuntu2004

test/shell/test_bzlmod_tidy.sh

@@ -6,11 +6,13 @@ dir=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
 rootdir="$(cd "${dir}/../.." && pwd)"
 . "${dir}"/test_runner.sh
 runner=$(get_test_runner "${1:-local}")
+test_tmpdir="${rootdir}/tmp/lint"
+mkdir -p "$test_tmpdir"
 
 check_module_bazel() {
   local repo_path="${1%MODULE.bazel}"
-  local mod_orig="${rootdir}/tmp/MODULE.lint"
-  local mod_diff="${rootdir}/tmp/MODULE.diff"
+  local mod_orig="${test_tmpdir}/MODULE.lint"
+  local mod_diff="${test_tmpdir}/MODULE.diff"
 
   echo -e "${GREEN}INFO:${NC} linting $1"
   repo_path="${repo_path:-.}"
@@ -33,3 +35,5 @@ check_module_bazel() {
 while IFS= read -r module_file; do
   $runner check_module_bazel "$module_file"
 done < <(git ls-files '**MODULE.bazel')
+
+rm -rf "${test_tmpdir}"