diff --git a/tests/auth.spec.ts b/tests/auth.spec.ts
index 956f604..1ff6b55 100644
--- a/tests/auth.spec.ts
+++ b/tests/auth.spec.ts
@@ -19,8 +19,8 @@ test("Go to explore page", async ({ page }) => {
   await expect(page).toHaveTitle("Explore - Forgejo: Beyond coding. We forge.");
 });
 
-test("Go to register page", async ({ page }) => {
-  const user = new User("gotoregisterpage");
+test("Test registration error: password mismatch", async ({ page }) => {
+  const user = new User("pwmismatch");
 
   console.log(`running with user ${user.username}`);
 
@@ -42,6 +42,14 @@ test("Go to register page", async ({ page }) => {
   expect(page.locator(".negative > p:nth-child(1)")).toContainText(
     "passwords do not match"
   );
+});
+
+test("Test successful registration", async ({ page }) => {
+  const user = new User("register");
+
+  console.log(`running with user ${user.username}`);
+
+  await page.goto(config.INSTANCE_URL.toString());
 
   // successful registration
 
@@ -56,3 +64,36 @@ test("Go to register page", async ({ page }) => {
     "Account was successfully created. Welcome!"
   );
 });
+
+test("Test signout", async ({ page }) => {
+  const user = new User("signout");
+
+  // successful registration
+  await user.register(page);
+  await user.logout(page);
+  await expect(page).toHaveTitle("Forgejo: Beyond coding. We forge.");
+});
+
+test("Test login", async ({ page }) => {
+  const user = new User("login");
+
+  // successful registration
+  await user.register(page);
+  await user.logout(page);
+  await user.login(page);
+  await user.logout(page);
+
+  // sign in with email
+  await page.goto(config.INSTANCE_URL.toString());
+  await page.getByRole("link", { name: "Sign In" }).click();
+  await page.waitForURL("**/user/login**");
+  await page.getByLabel("Username").clear();
+  await page.getByLabel("Password", { exact: true }).clear();
+  await page.getByLabel("Username").fill(user.email);
+  await page.getByLabel("Password", { exact: true }).fill(user.password);
+  await page.getByRole("button", { name: "Sign In" }).click();
+
+  await expect(page).toHaveTitle(
+    `${user.username} - Dashboard - Forgejo: Beyond coding. We forge.`
+  );
+});
diff --git a/tests/user.ts b/tests/user.ts
index 682a180..27b8a2b 100644
--- a/tests/user.ts
+++ b/tests/user.ts
@@ -10,11 +10,46 @@ export default class User {
 
   constructor(name: string) {
     this.name = name;
-    this.username = `playwright_${getRandomString(6)}_${name}`;
+    this.username = `plw_${getRandomString(6)}_${name}`;
+    if (this.username.length > 40) {
+      throw Error(`username must be less than 40 char. Reduse length of ${name}`)
+    }
     this.email = `${this.username}@playwright.local`;
     this.password = "628acdbd8b7b3f";
   }
 
+  async logout(page: Page) {
+    await page.goto(config.INSTANCE_URL.toString());
+    // going to explore page to wait for sign out to be successful. Change in
+    // URL must indicate successful sign out.
+    await page.getByRole("link", { name: "Explore" }).click();
+    await page.waitForURL("**/explore/repos");
+
+    let dropdown = page.locator("div.dropdown:nth-child(4)");
+    await dropdown.click();
+//    await dropdown.getByRole("link", { name: "Sign Out" }).click();
+    await dropdown.getByText("Sign Out").click();
+    await page.waitForURL(config.INSTANCE_URL.toString());
+
+    await expect(page).toHaveTitle("Forgejo: Beyond coding. We forge.");
+  }
+
+  async login(page: Page) {
+    await page.goto(config.INSTANCE_URL.toString());
+    await page.getByRole("link", { name: "Sign In" }).click();
+    await page.waitForURL("**/user/login**");
+    await page.getByLabel("Username").clear();
+    await page.getByLabel("Password", { exact: true }).clear();
+    await page.getByLabel("Username").fill(this.username);
+    await page.getByLabel("Password", { exact: true }).fill(this.password);
+    await page.getByRole("button", { name: "Sign In" }).click();
+
+    await expect(page).toHaveTitle(
+      `${this.username} - Dashboard - Forgejo: Beyond coding. We forge.`
+    );
+  }
+
+
   async register(page: Page) {
     await page.goto(config.INSTANCE_URL.toString());
     await page.getByRole("link", { name: "Register" }).click();