diff --git a/packages/alfa-rules/test/sia-r115/rule.spec.tsx b/packages/alfa-rules/test/sia-r115/rule.spec.tsx
new file mode 100644
index 0000000000..e782c037f2
--- /dev/null
+++ b/packages/alfa-rules/test/sia-r115/rule.spec.tsx
@@ -0,0 +1,85 @@
+import { Outcome } from "@siteimprove/alfa-act";
+import { h } from "@siteimprove/alfa-dom";
+import { test } from "@siteimprove/alfa-test";
+
+import R115, { Outcomes } from "../../dist/sia-r115/rule.js";
+
+import { evaluate } from "../common/evaluate.js";
+import { oracle } from "../common/oracle.js";
+import { cantTell, failed, inapplicable, passed } from "../common/outcome.js";
+
+const goodHeading = <h1>Opening hours</h1>;
+const goodDocument = h.document([
+  goodHeading,
+  <p>We are open 10:00 to 18:00 daily.</p>,
+]);
+
+const badHeading = <h1>Hello world</h1>;
+const badDocument = h.document([
+  badHeading,
+  <p>We are open 10:00 to 18:00 daily.</p>,
+]);
+
+test("evaluate() passes heading describing the following content", async (t) => {
+  t.deepEqual(
+    await evaluate(
+      R115,
+      { document: goodDocument },
+      oracle({ "is-heading-descriptive": true }),
+    ),
+    [
+      passed(
+        R115,
+        goodHeading,
+        { 1: Outcomes.HeadingIsDescriptive },
+        Outcome.Mode.SemiAuto,
+      ),
+    ],
+  );
+});
+
+test("evaluate() fails headings who do not describe the following content", async (t) => {
+  t.deepEqual(
+    await evaluate(
+      R115,
+      { document: badDocument },
+      oracle({ "is-heading-descriptive": false }),
+    ),
+    [
+      failed(
+        R115,
+        badHeading,
+        { 1: Outcomes.HeadingIsNotDescriptive },
+        Outcome.Mode.SemiAuto,
+      ),
+    ],
+  );
+});
+
+test("evaluate() can't tell if questions are left unanswered", async (t) => {
+  t.deepEqual(await evaluate(R115, { document: goodDocument }), [
+    cantTell(R115, goodHeading),
+  ]);
+});
+
+test("evaluate() is inapplicable when there is no headings", async (t) => {
+  const document = h.document([
+    <html>
+      <div>Some text in English</div>
+    </html>,
+  ]);
+
+  t.deepEqual(await evaluate(R115, { document }), [inapplicable(R115)]);
+});
+
+test("evaluate() is inapplicable to empty headings", async (t) => {
+  const document = h.document([
+    <h1>
+      {" "}
+      <span> </span>{" "}
+    </h1>,
+    <p>Some text in English</p>,
+  ]);
+
+  t.deepEqual(await evaluate(R115, { document }), [inapplicable(R115)]);
+});
diff --git a/packages/alfa-rules/test/tsconfig.json b/packages/alfa-rules/test/tsconfig.json
index 3a99845ba0..ba815db1e1 100644
--- a/packages/alfa-rules/test/tsconfig.json
+++ b/packages/alfa-rules/test/tsconfig.json
@@ -118,7 +118,8 @@
     "./sia-r110/rule.spec.tsx",
     "./sia-r111/rule.spec.tsx",
     "./sia-r113/rule.spec.tsx",
-    "./sia-r114/rule.spec.tsx"
+    "./sia-r114/rule.spec.tsx",
+    "./sia-r115/rule.spec.tsx"
   ],
   "references": [{ "path": "../src" }, { "path": "../../alfa-test" }]
 }
