diff --git a/test/built-ins/BigInt/asIntN/arithmetic.js b/test/built-ins/BigInt/asIntN/arithmetic.js
index cc786ec7f8..de67259c4d 100644
--- a/test/built-ins/BigInt/asIntN/arithmetic.js
+++ b/test/built-ins/BigInt/asIntN/arithmetic.js
@@ -14,57 +14,53 @@ features: [BigInt]
 
 assert.sameValue(BigInt.asIntN(0, -2n), 0n);
 assert.sameValue(BigInt.asIntN(0, -1n), 0n);
-assert.sameValue(BigInt.asIntN(0,  0n), 0n);
-assert.sameValue(BigInt.asIntN(0,  1n), 0n);
-assert.sameValue(BigInt.asIntN(0,  2n), 0n);
+assert.sameValue(BigInt.asIntN(0, 0n), 0n);
+assert.sameValue(BigInt.asIntN(0, 1n), 0n);
+assert.sameValue(BigInt.asIntN(0, 2n), 0n);
 
 assert.sameValue(BigInt.asIntN(1, -3n), -1n);
-assert.sameValue(BigInt.asIntN(1, -2n),  0n);
+assert.sameValue(BigInt.asIntN(1, -2n), 0n);
 assert.sameValue(BigInt.asIntN(1, -1n), -1n);
-assert.sameValue(BigInt.asIntN(1,  0n),  0n);
-assert.sameValue(BigInt.asIntN(1,  1n), -1n);
-assert.sameValue(BigInt.asIntN(1,  2n),  0n);
-assert.sameValue(BigInt.asIntN(1,  3n), -1n);
+assert.sameValue(BigInt.asIntN(1, 0n), 0n);
+assert.sameValue(BigInt.asIntN(1, 1n), -1n);
+assert.sameValue(BigInt.asIntN(1, 2n), 0n);
+assert.sameValue(BigInt.asIntN(1, 3n), -1n);
 assert.sameValue(BigInt.asIntN(1, -123456789012345678901n), -1n);
-assert.sameValue(BigInt.asIntN(1, -123456789012345678900n),  0n);
-assert.sameValue(BigInt.asIntN(1,  123456789012345678900n),  0n);
-assert.sameValue(BigInt.asIntN(1,  123456789012345678901n), -1n);
+assert.sameValue(BigInt.asIntN(1, -123456789012345678900n), 0n);
+assert.sameValue(BigInt.asIntN(1, 123456789012345678900n), 0n);
+assert.sameValue(BigInt.asIntN(1, 123456789012345678901n), -1n);
 
-assert.sameValue(BigInt.asIntN(2, -3n),  1n);
+assert.sameValue(BigInt.asIntN(2, -3n), 1n);
 assert.sameValue(BigInt.asIntN(2, -2n), -2n);
 assert.sameValue(BigInt.asIntN(2, -1n), -1n);
-assert.sameValue(BigInt.asIntN(2,  0n),  0n);
-assert.sameValue(BigInt.asIntN(2,  1n),  1n);
-assert.sameValue(BigInt.asIntN(2,  2n), -2n);
-assert.sameValue(BigInt.asIntN(2,  3n), -1n);
+assert.sameValue(BigInt.asIntN(2, 0n), 0n);
+assert.sameValue(BigInt.asIntN(2, 1n), 1n);
+assert.sameValue(BigInt.asIntN(2, 2n), -2n);
+assert.sameValue(BigInt.asIntN(2, 3n), -1n);
 assert.sameValue(BigInt.asIntN(2, -123456789012345678901n), -1n);
-assert.sameValue(BigInt.asIntN(2, -123456789012345678900n),  0n);
-assert.sameValue(BigInt.asIntN(2,  123456789012345678900n),  0n);
-assert.sameValue(BigInt.asIntN(2,  123456789012345678901n),  1n);
+assert.sameValue(BigInt.asIntN(2, -123456789012345678900n), 0n);
+assert.sameValue(BigInt.asIntN(2, 123456789012345678900n), 0n);
+assert.sameValue(BigInt.asIntN(2, 123456789012345678901n), 1n);
 
 assert.sameValue(BigInt.asIntN(8, 0xabn), -0x55n);
 assert.sameValue(BigInt.asIntN(8, 0xabcdn), -0x33n);
 assert.sameValue(BigInt.asIntN(8, 0xabcdef01n), 0x01n);
-assert.sameValue(BigInt.asIntN(8, 0xabcdef0123456789abcdef0123n),  0x23n);
+assert.sameValue(BigInt.asIntN(8, 0xabcdef0123456789abcdef0123n), 0x23n);
 assert.sameValue(BigInt.asIntN(8, 0xabcdef0123456789abcdef0183n), -0x7dn);
 
 assert.sameValue(BigInt.asIntN(64, 0xabcdef0123456789abcdefn), 0x0123456789abcdefn);
 assert.sameValue(BigInt.asIntN(65, 0xabcdef0123456789abcdefn), -0xfedcba9876543211n);
 
 assert.sameValue(BigInt.asIntN(200,
-  0xcffffffffffffffffffffffffffffffffffffffffffffffffffn),
-  -0x00000000000000000000000000000000000000000000000001n
-);
+  0xcffffffffffffffffffffffffffffffffffffffffffffffffffn), -0x00000000000000000000000000000000000000000000000001n);
 assert.sameValue(BigInt.asIntN(201,
-  0xcffffffffffffffffffffffffffffffffffffffffffffffffffn),
-   0xffffffffffffffffffffffffffffffffffffffffffffffffffn
+    0xcffffffffffffffffffffffffffffffffffffffffffffffffffn),
+  0xffffffffffffffffffffffffffffffffffffffffffffffffffn
 );
 
 assert.sameValue(BigInt.asIntN(200,
-  0xc89e081df68b65fedb32cffea660e55df9605650a603ad5fc54n),
-  -0x761f7e209749a0124cd3001599f1aa2069fa9af59fc52a03acn
-);
+  0xc89e081df68b65fedb32cffea660e55df9605650a603ad5fc54n), -0x761f7e209749a0124cd3001599f1aa2069fa9af59fc52a03acn);
 assert.sameValue(BigInt.asIntN(201,
-  0xc89e081df68b65fedb32cffea660e55df9605650a603ad5fc54n),
-   0x89e081df68b65fedb32cffea660e55df9605650a603ad5fc54n
+    0xc89e081df68b65fedb32cffea660e55df9605650a603ad5fc54n),
+  0x89e081df68b65fedb32cffea660e55df9605650a603ad5fc54n
 );
diff --git a/test/built-ins/BigInt/asUintN/arithmetic.js b/test/built-ins/BigInt/asUintN/arithmetic.js
index 5ab7b235c9..9e8154f7b5 100644
--- a/test/built-ins/BigInt/asUintN/arithmetic.js
+++ b/test/built-ins/BigInt/asUintN/arithmetic.js
@@ -13,33 +13,33 @@ features: [BigInt]
 
 assert.sameValue(BigInt.asUintN(0, -2n), 0n);
 assert.sameValue(BigInt.asUintN(0, -1n), 0n);
-assert.sameValue(BigInt.asUintN(0,  0n), 0n);
-assert.sameValue(BigInt.asUintN(0,  1n), 0n);
-assert.sameValue(BigInt.asUintN(0,  2n), 0n);
+assert.sameValue(BigInt.asUintN(0, 0n), 0n);
+assert.sameValue(BigInt.asUintN(0, 1n), 0n);
+assert.sameValue(BigInt.asUintN(0, 2n), 0n);
 
 assert.sameValue(BigInt.asUintN(1, -3n), 1n);
 assert.sameValue(BigInt.asUintN(1, -2n), 0n);
 assert.sameValue(BigInt.asUintN(1, -1n), 1n);
-assert.sameValue(BigInt.asUintN(1,  0n), 0n);
-assert.sameValue(BigInt.asUintN(1,  1n), 1n);
-assert.sameValue(BigInt.asUintN(1,  2n), 0n);
-assert.sameValue(BigInt.asUintN(1,  3n), 1n);
+assert.sameValue(BigInt.asUintN(1, 0n), 0n);
+assert.sameValue(BigInt.asUintN(1, 1n), 1n);
+assert.sameValue(BigInt.asUintN(1, 2n), 0n);
+assert.sameValue(BigInt.asUintN(1, 3n), 1n);
 assert.sameValue(BigInt.asUintN(1, -123456789012345678901n), 1n);
 assert.sameValue(BigInt.asUintN(1, -123456789012345678900n), 0n);
-assert.sameValue(BigInt.asUintN(1,  123456789012345678900n), 0n);
-assert.sameValue(BigInt.asUintN(1,  123456789012345678901n), 1n);
+assert.sameValue(BigInt.asUintN(1, 123456789012345678900n), 0n);
+assert.sameValue(BigInt.asUintN(1, 123456789012345678901n), 1n);
 
 assert.sameValue(BigInt.asUintN(2, -3n), 1n);
 assert.sameValue(BigInt.asUintN(2, -2n), 2n);
 assert.sameValue(BigInt.asUintN(2, -1n), 3n);
-assert.sameValue(BigInt.asUintN(2,  0n), 0n);
-assert.sameValue(BigInt.asUintN(2,  1n), 1n);
-assert.sameValue(BigInt.asUintN(2,  2n), 2n);
-assert.sameValue(BigInt.asUintN(2,  3n), 3n);
+assert.sameValue(BigInt.asUintN(2, 0n), 0n);
+assert.sameValue(BigInt.asUintN(2, 1n), 1n);
+assert.sameValue(BigInt.asUintN(2, 2n), 2n);
+assert.sameValue(BigInt.asUintN(2, 3n), 3n);
 assert.sameValue(BigInt.asUintN(2, -123456789012345678901n), 3n);
 assert.sameValue(BigInt.asUintN(2, -123456789012345678900n), 0n);
-assert.sameValue(BigInt.asUintN(2,  123456789012345678900n), 0n);
-assert.sameValue(BigInt.asUintN(2,  123456789012345678901n), 1n);
+assert.sameValue(BigInt.asUintN(2, 123456789012345678900n), 0n);
+assert.sameValue(BigInt.asUintN(2, 123456789012345678901n), 1n);
 
 assert.sameValue(BigInt.asUintN(8, 0xabn), 0xabn);
 assert.sameValue(BigInt.asUintN(8, 0xabcdn), 0xcdn);
@@ -47,23 +47,23 @@ assert.sameValue(BigInt.asUintN(8, 0xabcdef01n), 0x01n);
 assert.sameValue(BigInt.asUintN(8, 0xabcdef0123456789abcdef0123n), 0x23n);
 assert.sameValue(BigInt.asUintN(8, 0xabcdef0123456789abcdef0183n), 0x83n);
 
-assert.sameValue(BigInt.asUintN(64, 0xabcdef0123456789abcdefn),  0x0123456789abcdefn);
+assert.sameValue(BigInt.asUintN(64, 0xabcdef0123456789abcdefn), 0x0123456789abcdefn);
 assert.sameValue(BigInt.asUintN(65, 0xabcdef0123456789abcdefn), 0x10123456789abcdefn);
 
 assert.sameValue(BigInt.asUintN(200,
-  0xbffffffffffffffffffffffffffffffffffffffffffffffffffn),
+    0xbffffffffffffffffffffffffffffffffffffffffffffffffffn),
   0x0ffffffffffffffffffffffffffffffffffffffffffffffffffn
 );
 assert.sameValue(BigInt.asUintN(201,
-  0xbffffffffffffffffffffffffffffffffffffffffffffffffffn),
+    0xbffffffffffffffffffffffffffffffffffffffffffffffffffn),
   0x1ffffffffffffffffffffffffffffffffffffffffffffffffffn
 );
 
 assert.sameValue(BigInt.asUintN(200,
-  0xb89e081df68b65fedb32cffea660e55df9605650a603ad5fc54n),
+    0xb89e081df68b65fedb32cffea660e55df9605650a603ad5fc54n),
   0x089e081df68b65fedb32cffea660e55df9605650a603ad5fc54n
 );
 assert.sameValue(BigInt.asUintN(201,
-  0xb89e081df68b65fedb32cffea660e55df9605650a603ad5fc54n),
+    0xb89e081df68b65fedb32cffea660e55df9605650a603ad5fc54n),
   0x189e081df68b65fedb32cffea660e55df9605650a603ad5fc54n
 );
diff --git a/test/built-ins/BigInt/call-value-of-when-to-string-present.js b/test/built-ins/BigInt/call-value-of-when-to-string-present.js
index 95b89af322..b3a02ab0b8 100644
--- a/test/built-ins/BigInt/call-value-of-when-to-string-present.js
+++ b/test/built-ins/BigInt/call-value-of-when-to-string-present.js
@@ -22,4 +22,3 @@ let o = {
 }
 
 assert.sameValue(BigInt(o), 44n);
-
diff --git a/test/built-ins/BigInt/constructor-empty-string.js b/test/built-ins/BigInt/constructor-empty-string.js
index 73abca3735..e8b2fb52b4 100644
--- a/test/built-ins/BigInt/constructor-empty-string.js
+++ b/test/built-ins/BigInt/constructor-empty-string.js
@@ -14,4 +14,3 @@ features: [BigInt]
 
 assert.sameValue(BigInt(""), 0n);
 assert.sameValue(BigInt(" "), 0n);
-
diff --git a/test/built-ins/BigInt/constructor-from-binary-string.js b/test/built-ins/BigInt/constructor-from-binary-string.js
index 6e30de3bf4..35cfda0acb 100644
--- a/test/built-ins/BigInt/constructor-from-binary-string.js
+++ b/test/built-ins/BigInt/constructor-from-binary-string.js
@@ -20,7 +20,7 @@ assert.sameValue(BigInt("0b1"), 1n);
 
 let binaryString = "0b1";
 for (let i = 0; i < 128; i++)
-    binaryString += "0";
+  binaryString += "0";
 
 assert.sameValue(BigInt(binaryString), 340282366920938463463374607431768211456n);
 
@@ -31,7 +31,6 @@ assert.sameValue(BigInt("0B1"), 1n);
 
 binaryString = "0B1";
 for (let i = 0; i < 128; i++)
-    binaryString += "0";
+  binaryString += "0";
 
 assert.sameValue(BigInt(binaryString), 340282366920938463463374607431768211456n);
-
diff --git a/test/built-ins/BigInt/constructor-from-decimal-string.js b/test/built-ins/BigInt/constructor-from-decimal-string.js
index 34ad017956..c732b7f7aa 100644
--- a/test/built-ins/BigInt/constructor-from-decimal-string.js
+++ b/test/built-ins/BigInt/constructor-from-decimal-string.js
@@ -24,4 +24,3 @@ assert.sameValue(BigInt("-18446744073709551616"), -18446744073709551616n);
 assert.sameValue(BigInt("-7"), -7n);
 assert.sameValue(BigInt("-88"), -88n);
 assert.sameValue(BigInt("-900"), -900n);
-
diff --git a/test/built-ins/BigInt/constructor-from-hex-string.js b/test/built-ins/BigInt/constructor-from-hex-string.js
index 4ae408ee2a..f26b9d2698 100644
--- a/test/built-ins/BigInt/constructor-from-hex-string.js
+++ b/test/built-ins/BigInt/constructor-from-hex-string.js
@@ -22,4 +22,3 @@ assert.sameValue(BigInt("0Xa"), 10n);
 assert.sameValue(BigInt("0Xff"), 255n);
 assert.sameValue(BigInt("0Xfabc"), 64188n);
 assert.sameValue(BigInt("0Xfffffffffffffffffff"), 75557863725914323419135n);
-
diff --git a/test/built-ins/BigInt/constructor-from-octal-string.js b/test/built-ins/BigInt/constructor-from-octal-string.js
index aada81a52d..59d18c64d1 100644
--- a/test/built-ins/BigInt/constructor-from-octal-string.js
+++ b/test/built-ins/BigInt/constructor-from-octal-string.js
@@ -20,4 +20,3 @@ assert.sameValue(BigInt("0o20"), 16n);
 assert.sameValue(BigInt("0O7"), 7n);
 assert.sameValue(BigInt("0O10"), 8n);
 assert.sameValue(BigInt("0O20"), 16n);
-
diff --git a/test/built-ins/BigInt/constructor-trailing-leading-spaces.js b/test/built-ins/BigInt/constructor-trailing-leading-spaces.js
index ccdad852be..8db1a76ea6 100644
--- a/test/built-ins/BigInt/constructor-trailing-leading-spaces.js
+++ b/test/built-ins/BigInt/constructor-trailing-leading-spaces.js
@@ -18,4 +18,3 @@ assert.sameValue(BigInt("18446744073709551616   "), 18446744073709551616n);
 assert.sameValue(BigInt("   7   "), 7n);
 assert.sameValue(BigInt("   -197   "), -197n);
 assert.sameValue(BigInt("     "), 0n);
-
diff --git a/test/built-ins/BigInt/new-target-throws.js b/test/built-ins/BigInt/new-target-throws.js
index a240eecb7d..aaf91b1174 100644
--- a/test/built-ins/BigInt/new-target-throws.js
+++ b/test/built-ins/BigInt/new-target-throws.js
@@ -16,6 +16,8 @@ assert.throws(TypeError, function() {
 
 assert.throws(TypeError, function() {
   new BigInt({
-    valueOf: function() { throw new Test262Error("unreachable"); }
+    valueOf: function() {
+      throw new Test262Error("unreachable");
+    }
   });
 });
diff --git a/test/built-ins/BigInt/prototype/toString/thisbigintvalue-not-valid-throws.js b/test/built-ins/BigInt/prototype/toString/thisbigintvalue-not-valid-throws.js
index 78ae9bd680..92eee1c683 100644
--- a/test/built-ins/BigInt/prototype/toString/thisbigintvalue-not-valid-throws.js
+++ b/test/built-ins/BigInt/prototype/toString/thisbigintvalue-not-valid-throws.js
@@ -22,7 +22,9 @@ features: [BigInt, Symbol.toPrimitive]
 var toString = BigInt.prototype.toString;
 
 assert.throws(TypeError, function() {
-  toString.call({x: 1n});
+  toString.call({
+    x: 1n
+  });
 }, '{x: 1n}');
 
 assert.throws(TypeError, function() {
@@ -30,9 +32,15 @@ assert.throws(TypeError, function() {
 }, '[1n]');
 
 var obj = {
-  valueOf: function() { throw new Test262Error('no [[BigIntData]]') },
-  toString: function() { throw new Test262Error('no [[BigIntData]]') },
-  [Symbol.toPrimitive]: function() { throw new Test262Error('no [[BigIntData]]') }
+  valueOf: function() {
+    throw new Test262Error('no [[BigIntData]]')
+  },
+  toString: function() {
+    throw new Test262Error('no [[BigIntData]]')
+  },
+  [Symbol.toPrimitive]: function() {
+    throw new Test262Error('no [[BigIntData]]')
+  }
 };
 assert.throws(TypeError, function() {
   toString.call(obj);
diff --git a/test/built-ins/BigInt/prototype/valueOf/return.js b/test/built-ins/BigInt/prototype/valueOf/return.js
index de7336057c..887b5f921e 100644
--- a/test/built-ins/BigInt/prototype/valueOf/return.js
+++ b/test/built-ins/BigInt/prototype/valueOf/return.js
@@ -8,7 +8,7 @@ description: >
 info: |
   BigInt.prototype.valueOf ( )
 
-  Return ? thisBigIntValue(this value). 
+  Return ? thisBigIntValue(this value).
 features: [BigInt]
 ---*/
 
diff --git a/test/built-ins/BigInt/value-of-throws.js b/test/built-ins/BigInt/value-of-throws.js
index 690b0fa944..671a9b94ca 100644
--- a/test/built-ins/BigInt/value-of-throws.js
+++ b/test/built-ins/BigInt/value-of-throws.js
@@ -14,13 +14,16 @@ features: [BigInt]
 
 assert.throws(Test262Error, function() {
   BigInt({
-    valueOf: function() { throw new Test262Error(); }
+    valueOf: function() {
+      throw new Test262Error();
+    }
   });
 });
 
 assert.throws(Test262Error, function() {
   BigInt({
-    toString: function() { throw new Test262Error(); }
+    toString: function() {
+      throw new Test262Error();
+    }
   });
 });
-