Remove conditions for untested versions

.github/dependabot.yml

@@ -0,0 +1,12 @@
+version: 2
+updates:
+- package-ecosystem: npm
+  directory: "/"
+  schedule:
+    interval: weekly
+  open-pull-requests-limit: 10
+  versioning-strategy: increase-if-necessary
+- package-ecosystem: github-actions
+  directory: "/"
+  schedule:
+    interval: weekly

.github/workflows/test.yml

@@ -34,7 +34,7 @@ jobs:
         uses: actions/checkout@v2
 
       - name: Set Node.js version
-        uses: actions/setup-node@v1
+        uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node }}
 

test/lib/fs.link-symlink.spec.js

@@ -5,7 +5,6 @@ const fs = require('fs');
 const mock = require('../../lib/index.js');
 
 const assert = helper.assert;
-const inVersion = helper.inVersion;
 
 describe('fs.link(srcpath, dstpath, callback)', function () {
   beforeEach(function () {
@@ -198,7 +197,7 @@ describe('fs.symlink(srcpath, dstpath, [type], callback)', function () {
 
   // https://github.com/nodejs/node/issues/34514
   if (process.platform === 'win32') {
-    inVersion('>=15.0.0').it('supports Buffer input', function (done) {
+    it('supports Buffer input', function (done) {
       fs.symlink(
         Buffer.from('../file.txt'),
         Buffer.from('dir/link.txt'),

test/lib/fs.open-close.spec.js

@@ -5,7 +5,6 @@ const fs = require('fs');
 const mock = require('../../lib/index.js');
 
 const assert = helper.assert;
-const inVersion = helper.inVersion;
 
 describe('fs.open(path, flags, [mode], callback)', function () {
   beforeEach(function () {
@@ -220,30 +219,6 @@ describe('fs.close(fd, callback)', function () {
       });
     });
   });
-
-  inVersion('<14.0.0').it(
-    'promise fails for closed file descriptors',
-    function (done) {
-      fs.promises
-        .open('dir/file.txt', 'w')
-        .then(function (fd) {
-          return fd.close().then(function () {
-            // in Nodejs v14+, closing on closed file descriptor is silently ignored.
-            return fd.close();
-          });
-        })
-        .then(
-          function () {
-            done(new Error('should not succeed.'));
-          },
-          function (err) {
-            assert.instanceOf(err, Error);
-            assert.equal(err.code, 'EBADF');
-            done();
-          }
-        );
-    }
-  );
 });
 
 describe('fs.closeSync(fd)', function () {

test/lib/fs.readFile.spec.js

@@ -95,6 +95,11 @@ describe('fs.readFileSync(filename, [options])', function () {
   });
   afterEach(mock.restore);
 
+  it('works with utf-8', function () {
+    const content = fs.readFileSync('path/to/file.txt', 'utf-8').toString();
+    assert.equal(content, 'file content');
+  });
+
   it('allows a file to be read synchronously', function () {
     const data = fs.readFileSync('path/to/file.txt');
     assert.isTrue(Buffer.isBuffer(data));