diff --git a/test/built-ins/decodeURI/prop-desc.js b/test/built-ins/decodeURI/prop-desc.js
new file mode 100644
index 0000000000..8f599cb66e
--- /dev/null
+++ b/test/built-ins/decodeURI/prop-desc.js
@@ -0,0 +1,17 @@
+// Copyright (C) 2019 Bocoup. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-decodeuri-encodeduri
+description: >
+  Property descriptor for decodeURI
+info: |
+  Every other data property described in clauses 18 through 26 and in Annex B.2
+  has the attributes { [[Writable]]: true, [[Enumerable]]: false,
+  [[Configurable]]: true } unless otherwise specified.
+includes: [propertyHelper.js]
+---*/
+
+verifyNotEnumerable(this, "decodeURI");
+verifyWritable(this, "decodeURI");
+verifyConfigurable(this, "decodeURI");
diff --git a/test/built-ins/decodeURIComponent/prop-desc.js b/test/built-ins/decodeURIComponent/prop-desc.js
new file mode 100644
index 0000000000..820c51678f
--- /dev/null
+++ b/test/built-ins/decodeURIComponent/prop-desc.js
@@ -0,0 +1,16 @@
+// Copyright (C) 2019 Bocoup. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-decodeuricomponent-encodeduricomponent
+description: Property descriptor for decodeURIComponent
+info: |
+  Every other data property described in clauses 18 through 26 and in Annex B.2
+  has the attributes { [[Writable]]: true, [[Enumerable]]: false,
+  [[Configurable]]: true } unless otherwise specified.
+includes: [propertyHelper.js]
+---*/
+
+verifyNotEnumerable(this, "decodeURIComponent");
+verifyWritable(this, "decodeURIComponent");
+verifyConfigurable(this, "decodeURIComponent");
diff --git a/test/built-ins/encodeURI/prop-desc.js b/test/built-ins/encodeURI/prop-desc.js
new file mode 100644
index 0000000000..72ca41f8f9
--- /dev/null
+++ b/test/built-ins/encodeURI/prop-desc.js
@@ -0,0 +1,16 @@
+// Copyright (C) 2019 Bocoup. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-encodeuri-uri
+description: Property descriptor for encodeURI
+info: |
+  Every other data property described in clauses 18 through 26 and in Annex B.2
+  has the attributes { [[Writable]]: true, [[Enumerable]]: false,
+  [[Configurable]]: true } unless otherwise specified.
+includes: [propertyHelper.js]
+---*/
+
+verifyNotEnumerable(this, "encodeURI");
+verifyWritable(this, "encodeURI");
+verifyConfigurable(this, "encodeURI");
diff --git a/test/built-ins/encodeURIComponent/prop-desc.js b/test/built-ins/encodeURIComponent/prop-desc.js
new file mode 100644
index 0000000000..59b3eb586d
--- /dev/null
+++ b/test/built-ins/encodeURIComponent/prop-desc.js
@@ -0,0 +1,16 @@
+// Copyright (C) 2019 Bocoup. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-encodeuricomponent-uricomponent
+description: Property descriptor for encodeURIComponent
+info: |
+  Every other data property described in clauses 18 through 26 and in Annex B.2
+  has the attributes { [[Writable]]: true, [[Enumerable]]: false,
+  [[Configurable]]: true } unless otherwise specified.
+includes: [propertyHelper.js]
+---*/
+
+verifyNotEnumerable(this, "encodeURIComponent");
+verifyWritable(this, "encodeURIComponent");
+verifyConfigurable(this, "encodeURIComponent");
diff --git a/test/built-ins/eval/prop-desc-enumerable.js b/test/built-ins/eval/prop-desc-enumerable.js
deleted file mode 100644
index 08a2a13963..0000000000
--- a/test/built-ins/eval/prop-desc-enumerable.js
+++ /dev/null
@@ -1,25 +0,0 @@
-// Copyright 2009 the Sputnik authors.  All rights reserved.
-// This code is governed by the BSD license found in the LICENSE file.
-
-/*---
-info: The eval property has the attribute DontEnum
-esid: sec-eval-x
-description: Checking use propertyIsEnumerable, for-in
----*/
-
-//CHECK#1
-if (this.propertyIsEnumerable('eval') !== false) {
-  $ERROR('#1: this.propertyIsEnumerable(\'eval\') === false. Actual: ' + (this.propertyIsEnumerable('eval')));
-}
-
-//CHECK#2
-var result = true;
-for (var p in this) {
-  if (p === "eval") {
-    result = false;
-  }
-}
-
-if (result !== true) {
-  $ERROR('#2: result = true; for (p in this) { if (p === "eval") result = false; }  result === true;');
-}
diff --git a/test/built-ins/eval/prop-desc.js b/test/built-ins/eval/prop-desc.js
new file mode 100644
index 0000000000..33220788fa
--- /dev/null
+++ b/test/built-ins/eval/prop-desc.js
@@ -0,0 +1,16 @@
+// Copyright (C) 2019 Bocoup. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-eval-x
+description: Property descriptor for eval
+info: |
+  Every other data property described in clauses 18 through 26 and in Annex B.2
+  has the attributes { [[Writable]]: true, [[Enumerable]]: false,
+  [[Configurable]]: true } unless otherwise specified.
+includes: [propertyHelper.js]
+---*/
+
+verifyNotEnumerable(this, "eval");
+verifyWritable(this, "eval");
+verifyConfigurable(this, "eval");
diff --git a/test/built-ins/global/S10.2.3_A2.2_T2.js b/test/built-ins/global/S10.2.3_A2.2_T2.js
deleted file mode 100644
index 1a7ca58628..0000000000
--- a/test/built-ins/global/S10.2.3_A2.2_T2.js
+++ /dev/null
@@ -1,36 +0,0 @@
-// Copyright 2009 the Sputnik authors.  All rights reserved.
-// This code is governed by the BSD license found in the LICENSE file.
-
-/*---
-info: Global object properties have attributes { DontEnum }
-es5id: 10.2.3_A2.2_T2
-description: Function execution context - Function Properties
-flags: [noStrict]
----*/
-
-function test() {
-  //CHECK#1
-  for (var x in this) {
-    if (x === 'eval') {
-      $ERROR("#1: 'eval' have attribute DontEnum");
-    } else if (x === 'parseInt') {
-      $ERROR("#1: 'parseInt' have attribute DontEnum");
-    } else if (x === 'parseFloat') {
-      $ERROR("#1: 'parseFloat' have attribute DontEnum");
-    } else if (x === 'isNaN') {
-      $ERROR("#1: 'isNaN' have attribute DontEnum");
-    } else if (x === 'isFinite') {
-      $ERROR("#1: 'isFinite' have attribute DontEnum");
-    } else if (x === 'decodeURI') {
-      $ERROR("#1: 'decodeURI' have attribute DontEnum");
-    } else if (x === 'decodeURIComponent') {
-      $ERROR("#1: 'decodeURIComponent' have attribute DontEnum");
-    } else if (x === 'encodeURI') {
-      $ERROR("#1: 'encodeURI' have attribute DontEnum");
-    } else if (x === 'encodeURIComponent') {
-      $ERROR("#1: 'encodeURIComponent' have attribute DontEnum");
-    }
-  }
-}
-
-test();
diff --git a/test/built-ins/parseFloat/prop-desc.js b/test/built-ins/parseFloat/prop-desc.js
new file mode 100644
index 0000000000..5016eb1834
--- /dev/null
+++ b/test/built-ins/parseFloat/prop-desc.js
@@ -0,0 +1,17 @@
+// Copyright (C) 2019 Bocoup. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-parsefloat-string
+description: >
+  Property descriptor for parseFloat
+info: |
+  Every other data property described in clauses 18 through 26 and in Annex B.2
+  has the attributes { [[Writable]]: true, [[Enumerable]]: false,
+  [[Configurable]]: true } unless otherwise specified.
+includes: [propertyHelper.js]
+---*/
+
+verifyNotEnumerable(this, "parseFloat");
+verifyWritable(this, "parseFloat");
+verifyConfigurable(this, "parseFloat");
diff --git a/test/built-ins/parseInt/prop-desc.js b/test/built-ins/parseInt/prop-desc.js
new file mode 100644
index 0000000000..9b148ad0bf
--- /dev/null
+++ b/test/built-ins/parseInt/prop-desc.js
@@ -0,0 +1,16 @@
+// Copyright (C) 2019 Bocoup. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-parseint-string-radix
+description: Property descriptor for parseInt
+info: |
+  Every other data property described in clauses 18 through 26 and in Annex B.2
+  has the attributes { [[Writable]]: true, [[Enumerable]]: false,
+  [[Configurable]]: true } unless otherwise specified.
+includes: [propertyHelper.js]
+---*/
+
+verifyNotEnumerable(this, "parseInt");
+verifyWritable(this, "parseInt");
+verifyConfigurable(this, "parseInt");