test-js: Use prettier and format all files

Author: https://github.com/mattco98
Commit: 6d58c48c2f
Pull-request: https://github.com/SerenityOS/serenity/pull/2689
Reviewed-by: https://github.com/linusg

Libraries/LibJS/Tests/builtins/Reflect/Reflect.isExtensible.js

@@ -1,30 +1,33 @@
 test("length is 1", () => {
-    expect(Reflect.isExtensible).toHaveLength(1);
+  expect(Reflect.isExtensible).toHaveLength(1);
 });
 
 describe("errors", () => {
-    test("target must be an object", () => {
-        [null, undefined, "foo", 123, NaN, Infinity].forEach(value => {
-            expect(() => {
-                Reflect.isExtensible(value);
-            }).toThrowWithMessage(TypeError, "First argument of Reflect.isExtensible() must be an object");
-        });
+  test("target must be an object", () => {
+    [null, undefined, "foo", 123, NaN, Infinity].forEach(value => {
+      expect(() => {
+        Reflect.isExtensible(value);
+      }).toThrowWithMessage(
+        TypeError,
+        "First argument of Reflect.isExtensible() must be an object"
+      );
     });
+  });
 });
 
 describe("normal behavior", () => {
-    test("regular object is extensible", () => {
-        expect(Reflect.isExtensible({})).toBeTrue();
-    });
+  test("regular object is extensible", () => {
+    expect(Reflect.isExtensible({})).toBeTrue();
+  });
 
-    test("global object is extensible", () => {
-        expect(Reflect.isExtensible(globalThis)).toBeTrue();
-    });
+  test("global object is extensible", () => {
+    expect(Reflect.isExtensible(globalThis)).toBeTrue();
+  });
 
-    test("regular object is not extensible after preventExtensions()", () => {
-        var o = {};
-        expect(Reflect.isExtensible(o)).toBeTrue();
-        Reflect.preventExtensions(o);
-        expect(Reflect.isExtensible(o)).toBeFalse();
-    });
+  test("regular object is not extensible after preventExtensions()", () => {
+    var o = {};
+    expect(Reflect.isExtensible(o)).toBeTrue();
+    Reflect.preventExtensions(o);
+    expect(Reflect.isExtensible(o)).toBeFalse();
+  });
 });