LibJS: Indent tests with 4 spaces instead of 2

Author: https://github.com/mattco98
Commit: 1ef573eb30
Pull-request: https://github.com/SerenityOS/serenity/pull/2689
Reviewed-by: https://github.com/linusg

Libraries/LibJS/Tests/loops/for-of-basic.js

@@ -1,47 +1,47 @@
 describe("correct behavior", () => {
-  test("iterate through array", () => {
-    const a = [];
-    for (const num of [1, 2, 3]) {
-      a.push(num);
-    }
-    expect(a).toEqual([1, 2, 3]);
-  });
+    test("iterate through array", () => {
+        const a = [];
+        for (const num of [1, 2, 3]) {
+            a.push(num);
+        }
+        expect(a).toEqual([1, 2, 3]);
+    });
 
-  test("iterate through string", () => {
-    const a = [];
-    for (const char of "hello") {
-      a.push(char);
-    }
-    expect(a).toEqual(["h", "e", "l", "l", "o"]);
-  });
+    test("iterate through string", () => {
+        const a = [];
+        for (const char of "hello") {
+            a.push(char);
+        }
+        expect(a).toEqual(["h", "e", "l", "l", "o"]);
+    });
 
-  test("iterate through string object", () => {
-    const a = [];
-    for (const char of new String("hello")) {
-      a.push(char);
-    }
-    expect(a).toEqual(["h", "e", "l", "l", "o"]);
-  });
+    test("iterate through string object", () => {
+        const a = [];
+        for (const char of new String("hello")) {
+            a.push(char);
+        }
+        expect(a).toEqual(["h", "e", "l", "l", "o"]);
+    });
 
-  test("use already-declared variable", () => {
-    var char;
-    for (char of "abc");
-    expect(char).toBe("c");
-  });
+    test("use already-declared variable", () => {
+        var char;
+        for (char of "abc");
+        expect(char).toBe("c");
+    });
 });
 
 describe("errors", () => {
-  test("right hand side is a primitive", () => {
-    expect(() => {
-      for (const _ of 123) {
-      }
-    }).toThrowWithMessage(TypeError, "for..of right-hand side must be iterable");
-  });
+    test("right hand side is a primitive", () => {
+        expect(() => {
+            for (const _ of 123) {
+            }
+        }).toThrowWithMessage(TypeError, "for..of right-hand side must be iterable");
+    });
 
-  test("right hand side is an object", () => {
-    expect(() => {
-      for (const _ of { foo: 1, bar: 2 }) {
-      }
-    }).toThrowWithMessage(TypeError, "for..of right-hand side must be iterable");
-  });
+    test("right hand side is an object", () => {
+        expect(() => {
+            for (const _ of { foo: 1, bar: 2 }) {
+            }
+        }).toThrowWithMessage(TypeError, "for..of right-hand side must be iterable");
+    });
 });