diff --git a/test/built-ins/AsyncFunction/AsyncFunction-construct.js b/test/built-ins/AsyncFunction/AsyncFunction-construct.js
index f839e90f01..bb71ff214b 100644
--- a/test/built-ins/AsyncFunction/AsyncFunction-construct.js
+++ b/test/built-ins/AsyncFunction/AsyncFunction-construct.js
@@ -9,7 +9,7 @@ description: >
   similarly to functions.
 ---*/
 
-var AsyncFunction = async function foo() { }.constructor;
+var AsyncFunction = async function foo() {}.constructor;
 var fn;
 
 fn = AsyncFunction("a", "await 1;");
diff --git a/test/built-ins/AsyncFunction/AsyncFunction-is-extensible.js b/test/built-ins/AsyncFunction/AsyncFunction-is-extensible.js
index f1e790b2a0..16c64658e6 100644
--- a/test/built-ins/AsyncFunction/AsyncFunction-is-extensible.js
+++ b/test/built-ins/AsyncFunction/AsyncFunction-is-extensible.js
@@ -8,6 +8,6 @@ description: >
   %AsyncFunction% is extensible
 ---*/
 
-var AsyncFunction = async function() { }.constructor;
+var AsyncFunction = async function() {}.constructor;
 AsyncFunction.x = 1;
 assert.sameValue(AsyncFunction.x, 1);
diff --git a/test/built-ins/AsyncFunction/AsyncFunction-is-subclass.js b/test/built-ins/AsyncFunction/AsyncFunction-is-subclass.js
index 737d3411c0..9eb72139f9 100644
--- a/test/built-ins/AsyncFunction/AsyncFunction-is-subclass.js
+++ b/test/built-ins/AsyncFunction/AsyncFunction-is-subclass.js
@@ -7,9 +7,8 @@ esid: sec-async-function-constructor
 description: >
   %AsyncFunction% is a subclass of Function
 ---*/
-async function foo() { };
+async function foo() {};
 var AsyncFunction = foo.constructor;
 assert.sameValue(Object.getPrototypeOf(AsyncFunction), Function, "Prototype of constructor is Function");
 assert.sameValue(Object.getPrototypeOf(AsyncFunction.prototype), Function.prototype, "Prototype of constructor's prototype is Function.prototype");
 assert(foo instanceof Function, 'async function instance is instanceof Function');
-
diff --git a/test/built-ins/AsyncFunction/AsyncFunction-length.js b/test/built-ins/AsyncFunction/AsyncFunction-length.js
index 60af9c72fd..c6ba9360eb 100644
--- a/test/built-ins/AsyncFunction/AsyncFunction-length.js
+++ b/test/built-ins/AsyncFunction/AsyncFunction-length.js
@@ -9,7 +9,7 @@ description: >
 includes: [propertyHelper.js]
 ---*/
 
-var AsyncFunction = async function foo() { }.constructor;
+var AsyncFunction = async function foo() {}.constructor;
 assert.sameValue(AsyncFunction.length, 1);
 verifyNotWritable(AsyncFunction, 'length');
 verifyNotEnumerable(AsyncFunction, 'length');
diff --git a/test/built-ins/AsyncFunction/AsyncFunction-name.js b/test/built-ins/AsyncFunction/AsyncFunction-name.js
index cdc9ab069a..637d1ece14 100644
--- a/test/built-ins/AsyncFunction/AsyncFunction-name.js
+++ b/test/built-ins/AsyncFunction/AsyncFunction-name.js
@@ -9,7 +9,7 @@ description: >
 includes: [propertyHelper.js]
 ---*/
 
-var AsyncFunction = async function foo() { }.constructor;
+var AsyncFunction = async function foo() {}.constructor;
 assert.sameValue(AsyncFunction.name, "AsyncFunction");
 verifyNotWritable(AsyncFunction, "name");
 verifyNotEnumerable(AsyncFunction, "name");
diff --git a/test/built-ins/AsyncFunction/AsyncFunction-prototype.js b/test/built-ins/AsyncFunction/AsyncFunction-prototype.js
index 2a2801238d..99a040b3f3 100644
--- a/test/built-ins/AsyncFunction/AsyncFunction-prototype.js
+++ b/test/built-ins/AsyncFunction/AsyncFunction-prototype.js
@@ -8,7 +8,7 @@ description: AsyncFunction has a prototype property with writable false, enumera
 includes: [propertyHelper.js]
 ---*/
 
-var AsyncFunction = async function foo() { }.constructor;
+var AsyncFunction = async function foo() {}.constructor;
 verifyNotConfigurable(AsyncFunction, 'prototype');
 verifyNotWritable(AsyncFunction, 'prototype');
 verifyNotEnumerable(AsyncFunction, 'prototype');
diff --git a/test/built-ins/AsyncFunction/AsyncFunction.js b/test/built-ins/AsyncFunction/AsyncFunction.js
index 2f958c813e..77c5aaef3b 100644
--- a/test/built-ins/AsyncFunction/AsyncFunction.js
+++ b/test/built-ins/AsyncFunction/AsyncFunction.js
@@ -8,5 +8,5 @@ description: >
   %AsyncFunction% exists and is a function
 ---*/
 
-var AsyncFunction = async function foo() { }.constructor;
+var AsyncFunction = async function foo() {}.constructor;
 assert.sameValue(typeof AsyncFunction, "function");
diff --git a/test/built-ins/AsyncFunction/AsyncFunctionPrototype-is-extensible.js b/test/built-ins/AsyncFunction/AsyncFunctionPrototype-is-extensible.js
index 5dd8cdb97b..f8e4d7dde6 100644
--- a/test/built-ins/AsyncFunction/AsyncFunctionPrototype-is-extensible.js
+++ b/test/built-ins/AsyncFunction/AsyncFunctionPrototype-is-extensible.js
@@ -8,7 +8,6 @@ description: >
   %AsyncFunctionPrototype% has a [[Extensible]] of true
 ---*/
 
-var AsyncFunction = async function foo() { }.constructor;
+var AsyncFunction = async function foo() {}.constructor;
 AsyncFunction.prototype.x = 1;
 assert.sameValue(AsyncFunction.prototype.x, 1);
-
diff --git a/test/built-ins/AsyncFunction/AsyncFunctionPrototype-prototype.js b/test/built-ins/AsyncFunction/AsyncFunctionPrototype-prototype.js
index a917fbd258..327c5ee0fe 100644
--- a/test/built-ins/AsyncFunction/AsyncFunctionPrototype-prototype.js
+++ b/test/built-ins/AsyncFunction/AsyncFunctionPrototype-prototype.js
@@ -6,5 +6,5 @@ author: Brian Terlson <brian.terlson@microsoft.com>
 esid: sec-sync-function-prototype-properties
 description: AsyncFunction.prototype has a [[prototype]] of Function.prototype
 ---*/
-var AsyncFunction = async function foo() { }.constructor;
+var AsyncFunction = async function foo() {}.constructor;
 assert.sameValue(Object.getPrototypeOf(AsyncFunction.prototype), Function.prototype);
diff --git a/test/built-ins/AsyncFunction/AsyncFunctionPrototype-to-string.js b/test/built-ins/AsyncFunction/AsyncFunctionPrototype-to-string.js
index e2a35b2105..d9e8cb1ecf 100644
--- a/test/built-ins/AsyncFunction/AsyncFunctionPrototype-to-string.js
+++ b/test/built-ins/AsyncFunction/AsyncFunctionPrototype-to-string.js
@@ -10,7 +10,7 @@ includes: [propertyHelper.js]
 features: [Symbol.toStringTag]
 ---*/
 
-var AsyncFunction = async function foo() { }.constructor;
+var AsyncFunction = async function foo() {}.constructor;
 var AFP = AsyncFunction.prototype;
 assert.sameValue(AFP[Symbol.toStringTag], "AsyncFunction", "toStringTag value");
 verifyNotWritable(AFP, Symbol.toStringTag);
diff --git a/test/built-ins/AsyncFunction/instance-construct-throws.js b/test/built-ins/AsyncFunction/instance-construct-throws.js
index 1ca25171fe..8c5bec687c 100644
--- a/test/built-ins/AsyncFunction/instance-construct-throws.js
+++ b/test/built-ins/AsyncFunction/instance-construct-throws.js
@@ -25,7 +25,7 @@ info: |
     ...
 ---*/
 
-async function foo() { }
+async function foo() {}
 assert.throws(TypeError, function() {
   new foo();
 });
diff --git a/test/built-ins/AsyncFunction/instance-has-name.js b/test/built-ins/AsyncFunction/instance-has-name.js
index cf118edae9..1def25c881 100644
--- a/test/built-ins/AsyncFunction/instance-has-name.js
+++ b/test/built-ins/AsyncFunction/instance-has-name.js
@@ -8,7 +8,7 @@ description: Async function declarations have a name property
 includes: [propertyHelper.js]
 ---*/
 
-async function foo () { };
+async function foo() {};
 
 assert.sameValue(foo.name, "foo");
 verifyNotWritable(foo, "name");
diff --git a/test/built-ins/AsyncFunction/instance-length.js b/test/built-ins/AsyncFunction/instance-length.js
index 288ab45343..dd278bd05b 100644
--- a/test/built-ins/AsyncFunction/instance-length.js
+++ b/test/built-ins/AsyncFunction/instance-length.js
@@ -10,9 +10,9 @@ description: >
 includes: [propertyHelper.js]
 ---*/
 
-async function l0() { }
-async function l1(a) { }
-async function l2(a, b) { }
+async function l0() {}
+async function l1(a) {}
+async function l2(a, b) {}
 assert.sameValue(l0.length, 0);
 assert.sameValue(l1.length, 1);
 assert.sameValue(l2.length, 2)
diff --git a/test/built-ins/AsyncFunction/instance-prototype-property.js b/test/built-ins/AsyncFunction/instance-prototype-property.js
index 3b631ae283..6e14bff3f0 100644
--- a/test/built-ins/AsyncFunction/instance-prototype-property.js
+++ b/test/built-ins/AsyncFunction/instance-prototype-property.js
@@ -7,6 +7,6 @@ esid: sec-async-function-instances
 description: >
   Async function instances do not have a prototype property.
 ---*/
-async function foo() { };
+async function foo() {};
 assert.sameValue(foo.prototype, undefined, 'foo.prototype should be undefined');
 assert(!foo.hasOwnProperty('prototype'), 'foo.prototype should not exist');
diff --git a/test/built-ins/AsyncFunction/is-not-a-global.js b/test/built-ins/AsyncFunction/is-not-a-global.js
index baf5140ff5..432ebf9a18 100644
--- a/test/built-ins/AsyncFunction/is-not-a-global.js
+++ b/test/built-ins/AsyncFunction/is-not-a-global.js
@@ -8,6 +8,6 @@ description: >
   %AsyncFunction% is not exposed as a global
 ---*/
 
-assert.throws(ReferenceError, function () {
+assert.throws(ReferenceError, function() {
   AsyncFunction
 }, "AsyncFunction should not be present as a global");