diff --git a/.gitignore b/.gitignore
index 42021f4d0a4..86850b86fc2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -52,9 +52,8 @@ null_errors*.json
 # TODO(STENCIL-454): Remove or change this up once we've eliminated unused exports
 unused-exports*.txt
 
-# TODO(STENCIL-1203): check in type files back into the repository after migration
-test/wdio/src/components.d.ts
-test/wdio/www-global-script/
+# wdio test output
 test/wdio/test-components
+test/wdio/www-global-script/
 test/wdio/www-prerender-script
 test/wdio/www-invisible-prehydration/
diff --git a/test/wdio/src/components.d.ts b/test/wdio/src/components.d.ts
new file mode 100644
index 00000000000..187e93e56ee
--- /dev/null
+++ b/test/wdio/src/components.d.ts
@@ -0,0 +1,182 @@
+/* eslint-disable */
+/* tslint:disable */
+/**
+ * This is an autogenerated file created by the Stencil compiler.
+ * It contains typing information for all components that exist in this project.
+ */
+import { HTMLStencilElement, JSXBase } from "@stencil/core/internal";
+export namespace Components {
+    interface AppRoot {
+    }
+    interface CmpA {
+    }
+    interface CmpB {
+    }
+    interface CmpC {
+    }
+    interface CmpClientScoped {
+    }
+    interface CmpClientShadow {
+    }
+    interface CmpD {
+        "uniqueId": string;
+    }
+    interface CmpScopedA {
+    }
+    interface CmpScopedB {
+    }
+    interface CmpTextBlue {
+    }
+    interface CmpTextGreen {
+    }
+    interface TestSvg {
+    }
+}
+declare global {
+    interface HTMLAppRootElement extends Components.AppRoot, HTMLStencilElement {
+    }
+    var HTMLAppRootElement: {
+        prototype: HTMLAppRootElement;
+        new (): HTMLAppRootElement;
+    };
+    interface HTMLCmpAElement extends Components.CmpA, HTMLStencilElement {
+    }
+    var HTMLCmpAElement: {
+        prototype: HTMLCmpAElement;
+        new (): HTMLCmpAElement;
+    };
+    interface HTMLCmpBElement extends Components.CmpB, HTMLStencilElement {
+    }
+    var HTMLCmpBElement: {
+        prototype: HTMLCmpBElement;
+        new (): HTMLCmpBElement;
+    };
+    interface HTMLCmpCElement extends Components.CmpC, HTMLStencilElement {
+    }
+    var HTMLCmpCElement: {
+        prototype: HTMLCmpCElement;
+        new (): HTMLCmpCElement;
+    };
+    interface HTMLCmpClientScopedElement extends Components.CmpClientScoped, HTMLStencilElement {
+    }
+    var HTMLCmpClientScopedElement: {
+        prototype: HTMLCmpClientScopedElement;
+        new (): HTMLCmpClientScopedElement;
+    };
+    interface HTMLCmpClientShadowElement extends Components.CmpClientShadow, HTMLStencilElement {
+    }
+    var HTMLCmpClientShadowElement: {
+        prototype: HTMLCmpClientShadowElement;
+        new (): HTMLCmpClientShadowElement;
+    };
+    interface HTMLCmpDElement extends Components.CmpD, HTMLStencilElement {
+    }
+    var HTMLCmpDElement: {
+        prototype: HTMLCmpDElement;
+        new (): HTMLCmpDElement;
+    };
+    interface HTMLCmpScopedAElement extends Components.CmpScopedA, HTMLStencilElement {
+    }
+    var HTMLCmpScopedAElement: {
+        prototype: HTMLCmpScopedAElement;
+        new (): HTMLCmpScopedAElement;
+    };
+    interface HTMLCmpScopedBElement extends Components.CmpScopedB, HTMLStencilElement {
+    }
+    var HTMLCmpScopedBElement: {
+        prototype: HTMLCmpScopedBElement;
+        new (): HTMLCmpScopedBElement;
+    };
+    interface HTMLCmpTextBlueElement extends Components.CmpTextBlue, HTMLStencilElement {
+    }
+    var HTMLCmpTextBlueElement: {
+        prototype: HTMLCmpTextBlueElement;
+        new (): HTMLCmpTextBlueElement;
+    };
+    interface HTMLCmpTextGreenElement extends Components.CmpTextGreen, HTMLStencilElement {
+    }
+    var HTMLCmpTextGreenElement: {
+        prototype: HTMLCmpTextGreenElement;
+        new (): HTMLCmpTextGreenElement;
+    };
+    interface HTMLTestSvgElement extends Components.TestSvg, HTMLStencilElement {
+    }
+    var HTMLTestSvgElement: {
+        prototype: HTMLTestSvgElement;
+        new (): HTMLTestSvgElement;
+    };
+    interface HTMLElementTagNameMap {
+        "app-root": HTMLAppRootElement;
+        "cmp-a": HTMLCmpAElement;
+        "cmp-b": HTMLCmpBElement;
+        "cmp-c": HTMLCmpCElement;
+        "cmp-client-scoped": HTMLCmpClientScopedElement;
+        "cmp-client-shadow": HTMLCmpClientShadowElement;
+        "cmp-d": HTMLCmpDElement;
+        "cmp-scoped-a": HTMLCmpScopedAElement;
+        "cmp-scoped-b": HTMLCmpScopedBElement;
+        "cmp-text-blue": HTMLCmpTextBlueElement;
+        "cmp-text-green": HTMLCmpTextGreenElement;
+        "test-svg": HTMLTestSvgElement;
+    }
+}
+declare namespace LocalJSX {
+    interface AppRoot {
+    }
+    interface CmpA {
+    }
+    interface CmpB {
+    }
+    interface CmpC {
+    }
+    interface CmpClientScoped {
+    }
+    interface CmpClientShadow {
+    }
+    interface CmpD {
+        "uniqueId"?: string;
+    }
+    interface CmpScopedA {
+    }
+    interface CmpScopedB {
+    }
+    interface CmpTextBlue {
+    }
+    interface CmpTextGreen {
+    }
+    interface TestSvg {
+    }
+    interface IntrinsicElements {
+        "app-root": AppRoot;
+        "cmp-a": CmpA;
+        "cmp-b": CmpB;
+        "cmp-c": CmpC;
+        "cmp-client-scoped": CmpClientScoped;
+        "cmp-client-shadow": CmpClientShadow;
+        "cmp-d": CmpD;
+        "cmp-scoped-a": CmpScopedA;
+        "cmp-scoped-b": CmpScopedB;
+        "cmp-text-blue": CmpTextBlue;
+        "cmp-text-green": CmpTextGreen;
+        "test-svg": TestSvg;
+    }
+}
+export { LocalJSX as JSX };
+declare module "@stencil/core" {
+    export namespace JSX {
+        interface IntrinsicElements {
+            "app-root": LocalJSX.AppRoot & JSXBase.HTMLAttributes<HTMLAppRootElement>;
+            "cmp-a": LocalJSX.CmpA & JSXBase.HTMLAttributes<HTMLCmpAElement>;
+            "cmp-b": LocalJSX.CmpB & JSXBase.HTMLAttributes<HTMLCmpBElement>;
+            "cmp-c": LocalJSX.CmpC & JSXBase.HTMLAttributes<HTMLCmpCElement>;
+            "cmp-client-scoped": LocalJSX.CmpClientScoped & JSXBase.HTMLAttributes<HTMLCmpClientScopedElement>;
+            "cmp-client-shadow": LocalJSX.CmpClientShadow & JSXBase.HTMLAttributes<HTMLCmpClientShadowElement>;
+            "cmp-d": LocalJSX.CmpD & JSXBase.HTMLAttributes<HTMLCmpDElement>;
+            "cmp-scoped-a": LocalJSX.CmpScopedA & JSXBase.HTMLAttributes<HTMLCmpScopedAElement>;
+            "cmp-scoped-b": LocalJSX.CmpScopedB & JSXBase.HTMLAttributes<HTMLCmpScopedBElement>;
+            "cmp-text-blue": LocalJSX.CmpTextBlue & JSXBase.HTMLAttributes<HTMLCmpTextBlueElement>;
+            "cmp-text-green": LocalJSX.CmpTextGreen & JSXBase.HTMLAttributes<HTMLCmpTextGreenElement>;
+            "test-svg": LocalJSX.TestSvg & JSXBase.HTMLAttributes<HTMLTestSvgElement>;
+        }
+    }
+}