diff --git a/packages/string-templates/test/javascript.spec.js b/packages/string-templates/test/javascript.spec.js
index 0dfb077368..9a68f7eb1e 100644
--- a/packages/string-templates/test/javascript.spec.js
+++ b/packages/string-templates/test/javascript.spec.js
@@ -1,149 +1,170 @@
-const { processStringSync, encodeJSBinding } = require("../src/index.js")
+const vm = require("vm")
+
+const {
+  processStringSync,
+  encodeJSBinding,
+  setJSRunner,
+} = require("../src/index.js")
 const { UUID_REGEX } = require("./constants")
 
 const processJS = (js, context) => {
   return processStringSync(encodeJSBinding(js), context)
 }
 
-describe("Test the JavaScript helper", () => {
-  it("should execute a simple expression", () => {
-    const output = processJS(`return 1 + 2`)
-    expect(output).toBe(3)
-  })
-
-  it("should be able to use primitive bindings", () => {
-    const output = processJS(`return $("foo")`, {
-      foo: "bar",
+describe("Javascript", () => {
+  beforeAll(() => {
+    setJSRunner((js, context) => {
+      context = {
+        ...context,
+        alert: undefined,
+        setInterval: undefined,
+        setTimeout: undefined,
+      }
+      vm.createContext(context)
+      return vm.runInNewContext(js, context, { timeout: 1000 })
     })
-    expect(output).toBe("bar")
   })
 
-  it("should be able to use an object binding", () => {
-    const output = processJS(`return $("foo").bar`, {
-      foo: {
-        bar: "baz",
-      },
+  describe("Test the JavaScript helper", () => {
+    it("should execute a simple expression", () => {
+      const output = processJS(`return 1 + 2`)
+      expect(output).toBe(3)
     })
-    expect(output).toBe("baz")
-  })
 
-  it("should be able to use a complex object binding", () => {
-    const output = processJS(`return $("foo").bar[0].baz`, {
-      foo: {
-        bar: [
-          {
-            baz: "shazbat",
-          },
-        ],
-      },
+    it("should be able to use primitive bindings", () => {
+      const output = processJS(`return $("foo")`, {
+        foo: "bar",
+      })
+      expect(output).toBe("bar")
     })
-    expect(output).toBe("shazbat")
-  })
 
-  it("should be able to use a deep binding", () => {
-    const output = processJS(`return $("foo.bar.baz")`, {
-      foo: {
-        bar: {
-          baz: "shazbat",
-        },
-      },
-    })
-    expect(output).toBe("shazbat")
-  })
-
-  it("should be able to return an object", () => {
-    const output = processJS(`return $("foo")`, {
-      foo: {
-        bar: {
-          baz: "shazbat",
-        },
-      },
-    })
-    expect(output.bar.baz).toBe("shazbat")
-  })
-
-  it("should be able to return an array", () => {
-    const output = processJS(`return $("foo")`, {
-      foo: ["a", "b", "c"],
-    })
-    expect(output[2]).toBe("c")
-  })
-
-  it("should be able to return null", () => {
-    const output = processJS(`return $("foo")`, {
-      foo: null,
-    })
-    expect(output).toBe(null)
-  })
-
-  it("should be able to return undefined", () => {
-    const output = processJS(`return $("foo")`, {
-      foo: undefined,
-    })
-    expect(output).toBe(undefined)
-  })
-
-  it("should be able to return 0", () => {
-    const output = processJS(`return $("foo")`, {
-      foo: 0,
-    })
-    expect(output).toBe(0)
-  })
-
-  it("should be able to return an empty string", () => {
-    const output = processJS(`return $("foo")`, {
-      foo: "",
-    })
-    expect(output).toBe("")
-  })
-
-  it("should be able to use a deep array binding", () => {
-    const output = processJS(`return $("foo.0.bar")`, {
-      foo: [
-        {
+    it("should be able to use an object binding", () => {
+      const output = processJS(`return $("foo").bar`, {
+        foo: {
           bar: "baz",
         },
-      ],
+      })
+      expect(output).toBe("baz")
+    })
+
+    it("should be able to use a complex object binding", () => {
+      const output = processJS(`return $("foo").bar[0].baz`, {
+        foo: {
+          bar: [
+            {
+              baz: "shazbat",
+            },
+          ],
+        },
+      })
+      expect(output).toBe("shazbat")
+    })
+
+    it("should be able to use a deep binding", () => {
+      const output = processJS(`return $("foo.bar.baz")`, {
+        foo: {
+          bar: {
+            baz: "shazbat",
+          },
+        },
+      })
+      expect(output).toBe("shazbat")
+    })
+
+    it("should be able to return an object", () => {
+      const output = processJS(`return $("foo")`, {
+        foo: {
+          bar: {
+            baz: "shazbat",
+          },
+        },
+      })
+      expect(output.bar.baz).toBe("shazbat")
+    })
+
+    it("should be able to return an array", () => {
+      const output = processJS(`return $("foo")`, {
+        foo: ["a", "b", "c"],
+      })
+      expect(output[2]).toBe("c")
+    })
+
+    it("should be able to return null", () => {
+      const output = processJS(`return $("foo")`, {
+        foo: null,
+      })
+      expect(output).toBe(null)
+    })
+
+    it("should be able to return undefined", () => {
+      const output = processJS(`return $("foo")`, {
+        foo: undefined,
+      })
+      expect(output).toBe(undefined)
+    })
+
+    it("should be able to return 0", () => {
+      const output = processJS(`return $("foo")`, {
+        foo: 0,
+      })
+      expect(output).toBe(0)
+    })
+
+    it("should be able to return an empty string", () => {
+      const output = processJS(`return $("foo")`, {
+        foo: "",
+      })
+      expect(output).toBe("")
+    })
+
+    it("should be able to use a deep array binding", () => {
+      const output = processJS(`return $("foo.0.bar")`, {
+        foo: [
+          {
+            bar: "baz",
+          },
+        ],
+      })
+      expect(output).toBe("baz")
+    })
+
+    it("should handle errors", () => {
+      const output = processJS(`throw "Error"`)
+      expect(output).toBe("Error while executing JS")
+    })
+
+    it("should timeout after one second", () => {
+      const output = processJS(`while (true) {}`)
+      expect(output).toBe("Timed out while executing JS")
+    })
+
+    it("should prevent access to the process global", () => {
+      const output = processJS(`return process`)
+      expect(output).toBe("Error while executing JS")
+    })
+
+    it("should prevent sandbox escape", () => {
+      const output = processJS(
+        `return this.constructor.constructor("return process")()`
+      )
+      expect(output).toBe("Error while executing JS")
     })
-    expect(output).toBe("baz")
   })
 
-  it("should handle errors", () => {
-    const output = processJS(`throw "Error"`)
-    expect(output).toBe("Error while executing JS")
-  })
+  describe("check JS helpers", () => {
+    it("should error if using the format helper. not helpers.", () => {
+      const output = processJS(`return helper.toInt(4.3)`)
+      expect(output).toBe("Error while executing JS")
+    })
 
-  it("should timeout after one second", () => {
-    const output = processJS(`while (true) {}`)
-    expect(output).toBe("Timed out while executing JS")
-  })
+    it("should be able to use toInt", () => {
+      const output = processJS(`return helpers.toInt(4.3)`)
+      expect(output).toBe(4)
+    })
 
-  it("should prevent access to the process global", () => {
-    const output = processJS(`return process`)
-    expect(output).toBe("Error while executing JS")
-  })
-
-  it("should prevent sandbox escape", () => {
-    const output = processJS(
-      `return this.constructor.constructor("return process")()`
-    )
-    expect(output).toBe("Error while executing JS")
-  })
-})
-
-describe("check JS helpers", () => {
-  it("should error if using the format helper. not helpers.", () => {
-    const output = processJS(`return helper.toInt(4.3)`)
-    expect(output).toBe("Error while executing JS")
-  })
-
-  it("should be able to use toInt", () => {
-    const output = processJS(`return helpers.toInt(4.3)`)
-    expect(output).toBe(4)
-  })
-
-  it("should be able to use uuid", () => {
-    const output = processJS(`return helpers.uuid()`)
-    expect(output).toMatch(UUID_REGEX)
+    it("should be able to use uuid", () => {
+      const output = processJS(`return helpers.uuid()`)
+      expect(output).toMatch(UUID_REGEX)
+    })
   })
 })