ci: deduplicate TEST_FILE environment variable (#21667)

.github/workflows/ci.yml

@@ -16,6 +16,11 @@ concurrency:
   group: ${{ github.workflow }}-${{ github.event_name == 'pull_request' && github.head_ref || github.sha }}
   cancel-in-progress: true
 
+env:
+  UNCRUSTIFY_VERSION: uncrustify-0.75.0
+  # TEST_FILE: test/functional/core/startup_spec.lua
+  # TEST_FILTER: foo
+
 jobs:
   lint:
     if: (github.event_name == 'pull_request' && github.base_ref == 'master') || (github.event_name == 'push' && github.ref == 'refs/heads/master')
@@ -205,8 +210,6 @@ jobs:
     env:
       CC: ${{ matrix.cc }}
       CI_OS_NAME: ${{ matrix.os }}
-      # TEST_FILE: test/functional/core/startup_spec.lua
-      # TEST_FILTER: foo
     steps:
       - uses: actions/checkout@v3
 
@@ -283,8 +286,6 @@ jobs:
       DEPS_BUILD_DIR: ${{ github.workspace }}/nvim-deps
       CACHE_NVIM_DEPS_DIR: ${{ github.workspace }}/nvim-deps
       DEPS_PREFIX: ${{ github.workspace }}/nvim-deps/usr
-      # TEST_FILE: test/functional/core/startup_spec.lua
-      # TEST_FILTER: foo
     name: windows (MSVC_64)
     steps:
       - uses: actions/checkout@v3

.github/workflows/env.sh

@@ -18,7 +18,6 @@ VALGRIND_LOG=$GITHUB_WORKSPACE/build/log/valgrind-%p.log
 CACHE_NVIM_DEPS_DIR=$HOME/.cache/nvim-deps
 CACHE_MARKER=$HOME/.cache/nvim-deps/.ci_cache_marker
 CACHE_UNCRUSTIFY=$HOME/.cache/uncrustify
-UNCRUSTIFY_VERSION=uncrustify-0.75.0
 EOF
 
 DEPS_CMAKE_FLAGS=