diff --git a/src/tests/stores/ui.spec.ts b/src/tests/stores/ui.spec.ts
new file mode 100644
index 0000000..c294fab
--- /dev/null
+++ b/src/tests/stores/ui.spec.ts
@@ -0,0 +1,50 @@
+import { describe, it, expect } from "vitest";
+import { setActivePinia, createPinia } from "pinia";
+import { useUIStore } from "../../stores/ui";
+
+describe("uiStore", () => {
+  const primeTheStore = (initBannerVisibility: boolean | null) => {
+    if (initBannerVisibility !== null) {
+      sessionStorage.setItem(
+        "disableHGLabsMapBanner",
+        initBannerVisibility.toString(),
+      );
+    }
+
+    setActivePinia(createPinia());
+  };
+
+  it("Upon first visit showContributionBanner is true", () => {
+    primeTheStore(null);
+
+    const uiStore = useUIStore();
+    expect(uiStore.showContributionBanner).toStrictEqual(true);
+  });
+
+  it("User closes the banner", () => {
+    primeTheStore(null);
+    expect(sessionStorage.getItem("disableHGLabsMapBanner")).toStrictEqual(
+      null,
+    );
+
+    const uiStore = useUIStore();
+    //Action triggered once someone closes the banner
+    uiStore.setShowContributionBanner(false);
+
+    expect(sessionStorage.getItem("disableHGLabsMapBanner")).toStrictEqual(
+      "false",
+    );
+    expect(uiStore.showContributionBanner).toStrictEqual(false);
+  });
+
+  it("User reloads page after previously closing banner in session", () => {
+    primeTheStore(false);
+
+    const uiStore = useUIStore();
+
+    expect(sessionStorage.getItem("disableHGLabsMapBanner")).toStrictEqual(
+      "false",
+    );
+    expect(uiStore.showContributionBanner).toStrictEqual(false);
+  });
+});