LibJS: Move tests to /Tests/LibJS

Author: https://github.com/gmta
Commit: https://github.com/LadybirdBrowser/ladybird/commit/e3faa9b5add
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/7572
Reviewed-by: https://github.com/trflynn89 ✅

Tests/LibJS/Runtime/syntax/switch-as-statement.js

@@ -0,0 +1,69 @@
+describe("switch statement is a valid statement and gets executed", () => {
+    test("switch statement in a block", () => {
+        let hit = false;
+        {
+            switch (true) {
+                case true:
+                    hit = true;
+            }
+            expect(hit).toBeTrue();
+        }
+    });
+
+    test("switch statement in an if statement when true", () => {
+        let hit = false;
+        var a = true;
+        if (a)
+            switch (true) {
+                case true:
+                    hit = true;
+            }
+        else
+            switch (true) {
+                case true:
+                    expect().fail();
+            }
+
+        expect(hit).toBeTrue();
+    });
+
+    test("switch statement in an if statement when false", () => {
+        let hit = false;
+        var a = false;
+        if (a)
+            switch (a) {
+                default:
+                    expect().fail();
+            }
+        else
+            switch (a) {
+                default:
+                    hit = true;
+            }
+
+        expect(hit).toBeTrue();
+    });
+
+    test("switch statement in an while statement", () => {
+        var a = 0;
+        var loops = 0;
+        while (a < 1 && loops++ < 5)
+            switch (a) {
+                case 0:
+                    a = 1;
+            }
+
+        expect(a).toBe(1);
+    });
+
+    test("switch statement in an for statement", () => {
+        var loops = 0;
+        for (let a = 0; a < 1 && loops++ < 5; )
+            switch (a) {
+                case 0:
+                    a = 1;
+            }
+
+        expect(loops).toBe(1);
+    });
+});