test: remove deadlock workaround

Author: joyeecheung

test/parallel/test-file-write-stream4.js

@@ -1,4 +1,3 @@
-// Flags: --expose-gc
 'use strict';
 
 // Test that 'close' emits once and not twice when `emitClose: true` is set.
@@ -18,8 +17,4 @@ const fileWriteStream = fs.createWriteStream(filepath, {
 });
 
 fileReadStream.pipe(fileWriteStream);
-fileWriteStream.on('close', common.mustCall(() => {
-  // TODO(lpinca): Remove the forced GC when
-  // https://github.com/nodejs/node/issues/54918 is fixed.
-  globalThis.gc({ type: 'major' });
-}));
+fileWriteStream.on('close', common.mustCall());

test/parallel/test-net-write-fully-async-buffer.js

@@ -23,7 +23,7 @@ const server = net.createServer(common.mustCall(function(conn) {
       }
 
       while (conn.write(Buffer.from(data)));
-      globalThis.gc({ type: 'major' });
+      globalThis.gc({ type: 'minor' });
       // The buffer allocated above should still be alive.
     }
 

test/parallel/test-net-write-fully-async-hex-string.js

@@ -21,7 +21,7 @@ const server = net.createServer(common.mustCall(function(conn) {
       }
 
       while (conn.write(data, 'hex'));
-      globalThis.gc({ type: 'major' });
+      globalThis.gc({ type: 'minor' });
       // The buffer allocated inside the .write() call should still be alive.
     }