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/switch-basic.js

@@ -1,39 +1,39 @@
 describe("basic switch tests", () => {
-    test("string case does not match number target", () => {
-        switch (1 + 2) {
-            case '3':
-                expect().fail();
-            case 3:
-                return;
-            case 5:
-            case 1:
-                break;
-            default:
-                break;
-        }
-
+  test("string case does not match number target", () => {
+    switch (1 + 2) {
+      case "3":
         expect().fail();
-    });
+      case 3:
+        return;
+      case 5:
+      case 1:
+        break;
+      default:
+        break;
+    }
 
-    test("string concatenation in target", () => {
-        var a = "foo";
-        
-        switch (a + "bar") {
-        case 1:
-            expect().fail();
-        case "foobar":
-        case 2:
-            return;
-        }
+    expect().fail();
+  });
+
+  test("string concatenation in target", () => {
+    var a = "foo";
+
+    switch (a + "bar") {
+      case 1:
         expect().fail();
-    });
+      case "foobar":
+      case 2:
+        return;
+    }
+    expect().fail();
+  });
 
-    test("default", () => {
-        switch (100) {
-        default:
-            return;
-        }
+  test("default", () => {
+    switch (100) {
+      default:
+        return;
+    }
 
-        expect().fail();
-    });
+    expect().fail();
+  });
 });