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/operators/modulo-basic.js

@@ -1,16 +1,16 @@
 test("basic functionality", () => {
-  expect(10 % 3).toBe(1);
-  expect(10.5 % 2.5).toBe(0.5);
-  expect(-0.99 % 0.99).toBe(-0);
+    expect(10 % 3).toBe(1);
+    expect(10.5 % 2.5).toBe(0.5);
+    expect(-0.99 % 0.99).toBe(-0);
 
-  // Examples from MDN:
-  // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Arithmetic_Operators
-  expect(12 % 5).toBe(2);
-  expect(-1 % 2).toBe(-1);
-  expect(1 % -2).toBe(1);
-  expect(1 % 2).toBe(1);
-  expect(2 % 3).toBe(2);
-  expect(-4 % 2).toBe(-0);
-  expect(5.5 % 2).toBe(1.5);
-  expect(NaN % 2).toBeNaN();
+    // Examples from MDN:
+    // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Arithmetic_Operators
+    expect(12 % 5).toBe(2);
+    expect(-1 % 2).toBe(-1);
+    expect(1 % -2).toBe(1);
+    expect(1 % 2).toBe(1);
+    expect(2 % 3).toBe(2);
+    expect(-4 % 2).toBe(-0);
+    expect(5.5 % 2).toBe(1.5);
+    expect(NaN % 2).toBeNaN();
 });