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/loops/for-basic.js

@@ -1,24 +1,24 @@
 load("test-common.js");
 
 try {
-    var a = [];
-    for (var i = 0; i < 3; ++i) {
-        a.push(i);
-    }
-    assert(a.length === 3);
-    assert(a[0] === 0);
-    assert(a[1] === 1);
-    assert(a[2] === 2);
+  var a = [];
+  for (var i = 0; i < 3; ++i) {
+    a.push(i);
+  }
+  assert(a.length === 3);
+  assert(a[0] === 0);
+  assert(a[1] === 1);
+  assert(a[2] === 2);
 
-    for (; a.length < 6;) {
-        a.push('x');
-    }
-    assert(a.length === 6);
-    assert(a[3] === 'x');
-    assert(a[4] === 'x');
-    assert(a[5] === 'x');
+  for (; a.length < 6; ) {
+    a.push("x");
+  }
+  assert(a.length === 6);
+  assert(a[3] === "x");
+  assert(a[4] === "x");
+  assert(a[5] === "x");
 
-    console.log("PASS");
+  console.log("PASS");
 } catch (e) {
-    console.log("FAIL: " + e);
+  console.log("FAIL: " + e);
 }