diff --git a/test/fixtures/shared-memory.wasm b/test/fixtures/shared-memory.wasm
new file mode 100644
index 00000000000..497b8440bd2
Binary files /dev/null and b/test/fixtures/shared-memory.wasm differ
diff --git a/test/fixtures/shared-memory.wat b/test/fixtures/shared-memory.wat
new file mode 100644
index 00000000000..9dbaf7fa7fe
--- /dev/null
+++ b/test/fixtures/shared-memory.wat
@@ -0,0 +1,8 @@
+;; Compiled using the WebAssembly Tootkit (https://github.com/WebAssembly/wabt)
+;; $ wat2wasm --enable-threads shared-memory.wat -o shared-memory.wasm
+
+(module
+  ;; Create shared memory with initial 1 page (64KiB) and max 1 page
+  (memory $mem 1 1 shared)
+  (export "memory" (memory $mem))
+)
\ No newline at end of file
diff --git a/test/fixtures/simple.wasm b/test/fixtures/simple.wasm
new file mode 100644
index 00000000000..357f72da7a0
Binary files /dev/null and b/test/fixtures/simple.wasm differ
diff --git a/test/fixtures/simple.wat b/test/fixtures/simple.wat
new file mode 100644
index 00000000000..e3026bffe5a
--- /dev/null
+++ b/test/fixtures/simple.wat
@@ -0,0 +1,11 @@
+;; Compiled using the WebAssembly Tootkit (https://github.com/WebAssembly/wabt)
+;; $ wat2wasm simple.wat -o simple.wasm
+
+(module
+  (func $add (param $a i32) (param $b i32) (result i32)
+    ;; return $a + $b
+    (i32.add (get_local $a) (get_local $b))
+  )
+
+  (export "add" (func $add))
+)
diff --git a/test/fixtures/test.wasm b/test/fixtures/test.wasm
deleted file mode 100644
index da1b0330069..00000000000
Binary files a/test/fixtures/test.wasm and /dev/null differ
diff --git a/test/fixtures/test.wat b/test/fixtures/test.wat
deleted file mode 100644
index fa90b17cce0..00000000000
--- a/test/fixtures/test.wat
+++ /dev/null
@@ -1,10 +0,0 @@
-;; Compiled using the WebAssembly Tootkit (https://github.com/WebAssembly/wabt)
-;; $ wat2wasm test.wat -o test.wasm
-(module
-  (func $add (export "add") (param $first i32) (param $second i32) (result i32)
-    get_local $first
-    get_local $second
-    (i32.add)
-  )
-  (export "addTwo" (func $add))
-)
diff --git a/test/fixtures/wasm-threads-shared-memory.wasm b/test/fixtures/wasm-threads-shared-memory.wasm
deleted file mode 100644
index 24b4d691058..00000000000
Binary files a/test/fixtures/wasm-threads-shared-memory.wasm and /dev/null differ
diff --git a/test/fixtures/wasm-threads-shared-memory.wat b/test/fixtures/wasm-threads-shared-memory.wat
deleted file mode 100644
index 68a2698df65..00000000000
--- a/test/fixtures/wasm-threads-shared-memory.wat
+++ /dev/null
@@ -1,4 +0,0 @@
-(module
-  (memory $mem 1 2 shared)
-  (export "memory" (memory $mem))
-)
\ No newline at end of file
diff --git a/test/parallel/test-util-types.js b/test/parallel/test-util-types.js
index eba8583ee70..19b265ca2a7 100644
--- a/test/parallel/test-util-types.js
+++ b/test/parallel/test-util-types.js
@@ -9,7 +9,7 @@ const { internalBinding } = require('internal/test/binding');
 const { JSStream } = internalBinding('js_stream');
 
 const external = (new JSStream())._externalStream;
-const wasmBuffer = fixtures.readSync('test.wasm');
+const wasmBuffer = fixtures.readSync('simple.wasm');
 
 for (const [ value, _method ] of [
   [ external, 'isExternal' ],
diff --git a/test/parallel/test-v8-serdes.js b/test/parallel/test-v8-serdes.js
index 3f88503546f..def4914e2e4 100644
--- a/test/parallel/test-v8-serdes.js
+++ b/test/parallel/test-v8-serdes.js
@@ -12,7 +12,7 @@ const os = require('os');
 const circular = {};
 circular.circular = circular;
 
-const wasmModule = new WebAssembly.Module(fixtures.readSync('test.wasm'));
+const wasmModule = new WebAssembly.Module(fixtures.readSync('simple.wasm'));
 
 const objects = [
   { foo: 'bar' },
@@ -238,5 +238,5 @@ const deserializerTypeError =
 {
   const deserializedWasmModule = v8.deserialize(v8.serialize(wasmModule));
   const instance = new WebAssembly.Instance(deserializedWasmModule);
-  assert.strictEqual(instance.exports.addTwo(10, 20), 30);
+  assert.strictEqual(instance.exports.add(10, 20), 30);
 }
diff --git a/test/parallel/test-wasm-simple.js b/test/parallel/test-wasm-simple.js
index ebcb366d551..f769925be91 100644
--- a/test/parallel/test-wasm-simple.js
+++ b/test/parallel/test-wasm-simple.js
@@ -4,14 +4,14 @@ require('../common');
 const assert = require('assert');
 const fixtures = require('../common/fixtures');
 
-const buffer = fixtures.readSync('test.wasm');
+const buffer = fixtures.readSync('simple.wasm');
 
 assert.ok(WebAssembly.validate(buffer), 'Buffer should be valid WebAssembly');
 
 WebAssembly.instantiate(buffer, {}).then((results) => {
   // Exported function should add two numbers.
   assert.strictEqual(
-    results.instance.exports.addTwo(10, 20),
+    results.instance.exports.add(10, 20),
     30
   );
 });
diff --git a/test/parallel/test-worker-message-port-wasm-module.js b/test/parallel/test-worker-message-port-wasm-module.js
index 43c12a85199..922d8b11a30 100644
--- a/test/parallel/test-worker-message-port-wasm-module.js
+++ b/test/parallel/test-worker-message-port-wasm-module.js
@@ -5,13 +5,13 @@ const assert = require('assert');
 const fixtures = require('../common/fixtures');
 
 const { Worker } = require('worker_threads');
-const wasmModule = new WebAssembly.Module(fixtures.readSync('test.wasm'));
+const wasmModule = new WebAssembly.Module(fixtures.readSync('simple.wasm'));
 
 const worker = new Worker(`
 const { parentPort } = require('worker_threads');
 parentPort.once('message', ({ wasmModule }) => {
   const instance = new WebAssembly.Instance(wasmModule);
-  parentPort.postMessage(instance.exports.addTwo(10, 20));
+  parentPort.postMessage(instance.exports.add(10, 20));
 });
 `, { eval: true });
 
diff --git a/test/parallel/test-worker-message-port-wasm-threads.js b/test/parallel/test-worker-message-port-wasm-threads.js
index 891da80e30a..90b18cd759f 100644
--- a/test/parallel/test-worker-message-port-wasm-threads.js
+++ b/test/parallel/test-worker-message-port-wasm-threads.js
@@ -8,7 +8,7 @@ const { MessageChannel, Worker } = require('worker_threads');
 // through MessageChannels (without crashing).
 
 const fixtures = require('../common/fixtures');
-const wasmSource = fixtures.readSync('wasm-threads-shared-memory.wasm');
+const wasmSource = fixtures.readSync('shared-memory.wasm');
 const wasmModule = new WebAssembly.Module(wasmSource);
 const instance = new WebAssembly.Instance(wasmModule);