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/JSON/JSON.parse.js

@@ -1,37 +1,37 @@
 test("basic functionality", () => {
-    expect(JSON.parse).toHaveLength(2);
+  expect(JSON.parse).toHaveLength(2);
 
-    const properties = [
-        ["5", 5],
-        ["null", null],
-        ["true", true],
-        ["false", false],
-        ['"test"', "test"],
-        ['[1,2,"foo"]', [1, 2, "foo"]],
-        ['{"foo":1,"bar":"baz"}', { foo: 1, bar: "baz" }],
-    ];
+  const properties = [
+    ["5", 5],
+    ["null", null],
+    ["true", true],
+    ["false", false],
+    ['"test"', "test"],
+    ['[1,2,"foo"]', [1, 2, "foo"]],
+    ['{"foo":1,"bar":"baz"}', { foo: 1, bar: "baz" }],
+  ];
 
-    properties.forEach(testCase => {
-        expect(JSON.parse(testCase[0])).toEqual(testCase[1]);
-    });
+  properties.forEach(testCase => {
+    expect(JSON.parse(testCase[0])).toEqual(testCase[1]);
+  });
 });
 
 test("syntax errors", () => {
-    [
-        undefined,
-        NaN,
-        -NaN,
-        Infinity,
-        -Infinity,
-        '{ "foo" }',
-        '{ foo: "bar" }',
-        "[1,2,3,]",
-        "[1,2,3, ]",
-        '{ "foo": "bar",}',
-        '{ "foo": "bar", }',
-    ].forEach(test => {
-        expect(() => {
-            JSON.parse(test);
-        }).toThrow(SyntaxError);
-    });
+  [
+    undefined,
+    NaN,
+    -NaN,
+    Infinity,
+    -Infinity,
+    '{ "foo" }',
+    '{ foo: "bar" }',
+    "[1,2,3,]",
+    "[1,2,3, ]",
+    '{ "foo": "bar",}',
+    '{ "foo": "bar", }',
+  ].forEach(test => {
+    expect(() => {
+      JSON.parse(test);
+    }).toThrow(SyntaxError);
+  });
 });