Add tests for Function.prototype.caller and arguments properties

test/built-ins/Function/prototype/arguments/prop-desc.js

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+// Copyright (C) 2024 Justin Dorfman. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-function.prototype.arguments
+description: >
+  Function.prototype.arguments property descriptor
+info: |
+  Function.prototype.arguments is an accessor property whose set and get
+  accessor functions are both %ThrowTypeError%.
+includes: [propertyHelper.js]
+---*/
+
+const argumentsDesc = Object.getOwnPropertyDescriptor(Function.prototype, 'arguments');
+
+verifyProperty(Function.prototype, "arguments", {
+  enumerable: false,
+  configurable: true
+});
+
+assert.sameValue(typeof argumentsDesc.get, "function",
+  "Function.prototype.arguments has function getter");
+assert.sameValue(typeof argumentsDesc.set, "function",
+  "Function.prototype.arguments has function setter");
+assert.sameValue(argumentsDesc.get, argumentsDesc.set,
+  "Arguments property getter/setter are the same function");

test/built-ins/Function/prototype/caller/prop-desc.js

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+// Copyright (C) 2024 Justin Dorfman. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-function.prototype.caller
+description: >
+  Function.prototype.caller property descriptor
+info: |
+  Function.prototype.caller is an accessor property whose set and get
+  accessor functions are both %ThrowTypeError%.
+includes: [propertyHelper.js]
+---*/
+
+const callerDesc = Object.getOwnPropertyDescriptor(Function.prototype, 'caller');
+
+verifyProperty(Function.prototype, "caller", {
+  enumerable: false,
+  configurable: true
+});
+
+assert.sameValue(typeof callerDesc.get, "function",
+  "Function.prototype.caller has function getter");
+assert.sameValue(typeof callerDesc.set, "function",
+  "Function.prototype.caller has function setter");
+assert.sameValue(callerDesc.get, callerDesc.set,
+  "Caller property getter/setter are the same function");