diff --git a/scripts/test.sh b/scripts/test.sh
index 6edfebf..5440f2c 100755
--- a/scripts/test.sh
+++ b/scripts/test.sh
@@ -6,3 +6,5 @@ set -x
 export PYTHONPATH=./docs/src
 pytest --cov=typer --cov=tests --cov=docs/src --cov-report=term-missing ${@}
 bash ./scripts/lint.sh
+# Check README.md is up to date
+diff --brief docs/index.md README.md
diff --git a/tests/test_tutorial/test_first_steps/test_tutorial001.py b/tests/test_tutorial/test_first_steps/test_tutorial001.py
index cd63835..d7b8473 100644
--- a/tests/test_tutorial/test_first_steps/test_tutorial001.py
+++ b/tests/test_tutorial/test_first_steps/test_tutorial001.py
@@ -1,13 +1,25 @@
+import subprocess
+
 import typer
 from typer.testing import CliRunner
 
-from first_steps.tutorial001 import main
+from first_steps import tutorial001 as mod
 
 runner = CliRunner()
 
 
 def test_cli():
     app = typer.Typer()
-    app.command()(main)
+    app.command()(mod.main)
     result = runner.invoke(app, [])
     assert result.output == "Hello World\n"
+
+
+def test_script():
+    result = subprocess.run(
+        ["coverage", "run", "--parallel-mode", mod.__file__, "--help"],
+        stdout=subprocess.PIPE,
+        stderr=subprocess.PIPE,
+        encoding="utf-8",
+    )
+    assert "Usage" in result.stdout
diff --git a/tests/test_tutorial/test_first_steps/test_tutorial002.py b/tests/test_tutorial/test_first_steps/test_tutorial002.py
new file mode 100644
index 0000000..9c70a3e
--- /dev/null
+++ b/tests/test_tutorial/test_first_steps/test_tutorial002.py
@@ -0,0 +1,33 @@
+import subprocess
+
+import typer
+from typer.testing import CliRunner
+
+from first_steps import tutorial002 as mod
+
+runner = CliRunner()
+
+app = typer.Typer()
+app.command()(mod.main)
+
+
+def test_1():
+    result = runner.invoke(app, [])
+    assert result.exit_code != 0
+    assert 'Error: Missing argument "NAME"' in result.output
+
+
+def test_2():
+    result = runner.invoke(app, ["Camila"])
+    assert result.exit_code == 0
+    assert "Hello Camila" in result.output
+
+
+def test_script():
+    result = subprocess.run(
+        ["coverage", "run", "--parallel-mode", mod.__file__, "--help"],
+        stdout=subprocess.PIPE,
+        stderr=subprocess.PIPE,
+        encoding="utf-8",
+    )
+    assert "Usage" in result.stdout
diff --git a/tests/test_tutorial/test_first_steps/test_tutorial003.py b/tests/test_tutorial/test_first_steps/test_tutorial003.py
new file mode 100644
index 0000000..bf0038d
--- /dev/null
+++ b/tests/test_tutorial/test_first_steps/test_tutorial003.py
@@ -0,0 +1,33 @@
+import subprocess
+
+import typer
+from typer.testing import CliRunner
+
+from first_steps import tutorial003 as mod
+
+runner = CliRunner()
+
+app = typer.Typer()
+app.command()(mod.main)
+
+
+def test_1():
+    result = runner.invoke(app, ["Camila"])
+    assert result.exit_code != 0
+    assert 'Error: Missing argument "LASTNAME"' in result.output
+
+
+def test_2():
+    result = runner.invoke(app, ["Camila", "Gutiérrez"])
+    assert result.exit_code == 0
+    assert "Hello Camila Gutiérrez" in result.output
+
+
+def test_script():
+    result = subprocess.run(
+        ["coverage", "run", "--parallel-mode", mod.__file__, "--help"],
+        stdout=subprocess.PIPE,
+        stderr=subprocess.PIPE,
+        encoding="utf-8",
+    )
+    assert "Usage" in result.stdout
diff --git a/tests/test_tutorial/test_first_steps/test_tutorial004.py b/tests/test_tutorial/test_first_steps/test_tutorial004.py
new file mode 100644
index 0000000..e00f5a2
--- /dev/null
+++ b/tests/test_tutorial/test_first_steps/test_tutorial004.py
@@ -0,0 +1,45 @@
+import subprocess
+
+import typer
+from typer.testing import CliRunner
+
+from first_steps import tutorial004 as mod
+
+runner = CliRunner()
+
+app = typer.Typer()
+app.command()(mod.main)
+
+
+def test_1():
+    result = runner.invoke(app, ["Camila", "Gutiérrez"])
+    assert result.exit_code == 0
+    assert "Hello Camila Gutiérrez" in result.output
+
+
+def test_formal_1():
+    result = runner.invoke(app, ["Camila", "Gutiérrez", "--formal"])
+    assert result.exit_code == 0
+    assert "Good day Ms. Camila Gutiérrez." in result.output
+
+
+def test_formal_2():
+    result = runner.invoke(app, ["Camila", "--formal", "Gutiérrez"])
+    assert result.exit_code == 0
+    assert "Good day Ms. Camila Gutiérrez." in result.output
+
+
+def test_formal_3():
+    result = runner.invoke(app, ["--formal", "Camila", "Gutiérrez"])
+    assert result.exit_code == 0
+    assert "Good day Ms. Camila Gutiérrez." in result.output
+
+
+def test_script():
+    result = subprocess.run(
+        ["coverage", "run", "--parallel-mode", mod.__file__, "--help"],
+        stdout=subprocess.PIPE,
+        stderr=subprocess.PIPE,
+        encoding="utf-8",
+    )
+    assert "Usage" in result.stdout
diff --git a/tests/test_tutorial/test_first_steps/test_tutorial005.py b/tests/test_tutorial/test_first_steps/test_tutorial005.py
new file mode 100644
index 0000000..4aa2e72
--- /dev/null
+++ b/tests/test_tutorial/test_first_steps/test_tutorial005.py
@@ -0,0 +1,52 @@
+import subprocess
+
+import typer
+from typer.testing import CliRunner
+
+from first_steps import tutorial005 as mod
+
+runner = CliRunner()
+
+app = typer.Typer()
+app.command()(mod.main)
+
+
+def test_help():
+    result = runner.invoke(app, ["--help"])
+    assert result.exit_code == 0
+    assert "--lastname TEXT" in result.output
+    assert "--formal / --no-formal" in result.output
+
+
+def test_1():
+    result = runner.invoke(app, ["Camila"])
+    assert result.exit_code == 0
+    assert "Hello Camila" in result.output
+
+
+def test_option_lastname():
+    result = runner.invoke(app, ["Camila", "--lastname", "Gutiérrez"])
+    assert result.exit_code == 0
+    assert "Hello Camila Gutiérrez" in result.output
+
+
+def test_option_lastname_2():
+    result = runner.invoke(app, ["--lastname", "Gutiérrez", "Camila"])
+    assert result.exit_code == 0
+    assert "Hello Camila Gutiérrez" in result.output
+
+
+def test_formal_1():
+    result = runner.invoke(app, ["Camila", "--lastname", "Gutiérrez", "--formal"])
+    assert result.exit_code == 0
+    assert "Good day Ms. Camila Gutiérrez." in result.output
+
+
+def test_script():
+    result = subprocess.run(
+        ["coverage", "run", "--parallel-mode", mod.__file__, "--help"],
+        stdout=subprocess.PIPE,
+        stderr=subprocess.PIPE,
+        encoding="utf-8",
+    )
+    assert "Usage" in result.stdout