diff --git a/.plano.py b/.plano.py
index 15a3c39..04477fe 100644
--- a/.plano.py
+++ b/.plano.py
@@ -71,47 +71,20 @@ def build():
     write("install.sh", install_sh)
     write("uninstall.sh", uninstall_sh)
 
-@command
-def clean():
-    remove(find(".", "__pycache__"))
-
-@command
-def test(shell="sh", verbose=False, debug=False):
-    check_program(shell)
-
+@command(passthrough=True)
+def test(verbose=False, passthrough_args=[]):
     build()
 
-    if debug:
-        ENV["DEBUG"] = "1"
+    if verbose:
+        passthrough_args.append("--verbose")
 
-    try:
-        run(f"{shell} {'-o igncr' if WINDOWS else ''} install.sh {'--verbose' if verbose else ''}".strip())
-        run(f"{shell} {'-o igncr' if WINDOWS else ''} uninstall.sh {'--verbose' if verbose else ''}".strip())
-    finally:
-        if debug:
-            del ENV["DEBUG"]
+    import tests
 
-@command
-def big_test(verbose=False, debug=False):
-    """
-    Run the tests against a range of shell interpreters
-    """
-    test(verbose=True, debug=debug)
-    test(verbose=False, debug=debug)
-
-    test(verbose=verbose, debug=True)
-    test(verbose=verbose, debug=False)
-
-    for shell in "ash", "bash", "dash", "ksh", "mksh", "yash", "zsh":
-        if which(shell):
-            test(shell=shell, verbose=verbose, debug=debug)
-
-    with working_env():
-        run(f"sh install.sh") # No existing installation and no existing backup
-        run(f"sh install.sh") # Creates a backup
-        run(f"sh install.sh") # Backs up the backup
+    PlanoTestCommand(tests).main(passthrough_args)
 
-        run(f"sh uninstall.sh")
+@command
+def clean():
+    remove(find(".", "__pycache__"))
 
 @command
 def lint():
diff --git a/external/burly-main/external/plano-main/src/plano/test.py b/external/burly-main/external/plano-main/src/plano/test.py
index 0c2c6ae..fb87d8d 100644
--- a/external/burly-main/external/plano-main/src/plano/test.py
+++ b/external/burly-main/external/plano-main/src/plano/test.py
@@ -23,8 +23,10 @@
 import argparse as _argparse
 import asyncio as _asyncio
 import fnmatch as _fnmatch
+import functools as _functools
 import importlib as _importlib
 import inspect as _inspect
+import sys as _sys
 import traceback as _traceback
 
 class PlanoTestCommand(BaseCommand):
@@ -103,15 +105,20 @@ def run(self):
 class PlanoTestSkipped(Exception):
     pass
 
-def test(_function=None, name=None, timeout=None, disabled=False):
+def test(_function=None, name=None, module=None, timeout=None, disabled=False):
     class Test:
         def __init__(self, function):
             self.function = function
-            self.name = nvl(name, self.function.__name__.rstrip("_").replace("_", "-"))
+            self.name = name
+            self.module = module
             self.timeout = timeout
             self.disabled = disabled
 
-            self.module = _inspect.getmodule(self.function)
+            if self.name is None:
+                self.name = self.function.__name__.strip("_").replace("_", "-")
+
+            if self.module is None:
+                self.module = _inspect.getmodule(self.function)
 
             if not hasattr(self.module, "_plano_tests"):
                 self.module._plano_tests = list()
@@ -136,6 +143,9 @@ def __repr__(self):
     else:
         return Test(_function)
 
+def add_test(name, func, *args, **kwargs):
+    test(_functools.partial(func, *args, **kwargs), name=name, module=_inspect.getmodule(func))
+
 def skip_test(reason=None):
     if _inspect.stack()[2].frame.f_locals["unskipped"]:
         return
diff --git a/install.sh b/install.sh
index 443e8ff..53d4058 100644
--- a/install.sh
+++ b/install.sh
@@ -509,12 +509,12 @@ main() {
     esac
 
     case "${scheme}" in
-        home) local skupper_bin_dir="${HOME}/.local/bin"     ;;
-        opt)  local skupper_bin_dir="/opt/skupper/bin"       ;;
+        home) local skupper_bin_dir="${TEST_INSTALL_PREFIX:-}${HOME}/.local/bin" ;;
+        opt)  local skupper_bin_dir="${TEST_INSTALL_PREFIX:-}/opt/skupper/bin" ;;
         *)    usage "Unknown installation scheme: ${scheme}" ;;
     esac
 
-    local work_dir="${HOME}/.cache/skupper-install-script"
+    local work_dir="${TEST_INSTALL_PREFIX:-}${HOME}/.cache/skupper-install-script"
     local log_file="${work_dir}/install.log"
     local backup_dir="${work_dir}/backup"
 
diff --git a/install.sh.in b/install.sh.in
index 4346917..3a4c990 100644
--- a/install.sh.in
+++ b/install.sh.in
@@ -202,12 +202,12 @@ main() {
     esac
 
     case "${scheme}" in
-        home) local skupper_bin_dir="${HOME}/.local/bin"     ;;
-        opt)  local skupper_bin_dir="/opt/skupper/bin"       ;;
+        home) local skupper_bin_dir="${TEST_INSTALL_PREFIX:-}${HOME}/.local/bin" ;;
+        opt)  local skupper_bin_dir="${TEST_INSTALL_PREFIX:-}/opt/skupper/bin" ;;
         *)    usage "Unknown installation scheme: ${scheme}" ;;
     esac
 
-    local work_dir="${HOME}/.cache/skupper-install-script"
+    local work_dir="${TEST_INSTALL_PREFIX:-}${HOME}/.cache/skupper-install-script"
     local log_file="${work_dir}/install.log"
     local backup_dir="${work_dir}/backup"
 
diff --git a/python/tests.py b/python/tests.py
new file mode 100644
index 0000000..1f28d77
--- /dev/null
+++ b/python/tests.py
@@ -0,0 +1,87 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+from plano import *
+
+ENV["TEST_INSTALL_PREFIX"] = make_temp_dir(prefix="skupper-install-script-")
+
+@test
+def install():
+    run(f"sh install.sh")
+
+@test
+def uninstall():
+    run(f"sh install.sh")
+    run(f"sh uninstall.sh")
+
+@test
+def option_help():
+    run(f"sh install.sh -h")
+    run(f"sh install.sh --help")
+    run(f"sh uninstall.sh -h")
+    run(f"sh uninstall.sh --help")
+
+    with expect_error():
+        run(f"sh install.sh --nope")
+
+    with expect_error():
+        run(f"sh uninstall.sh --not-at-all")
+
+    with expect_error():
+        run(f"sh install.sh nope")
+
+    with expect_error():
+        run(f"sh uninstall.sh not-at-all")
+
+@test
+def option_interactive():
+    run(f"echo yes | sh install.sh --interactive", shell=True)
+    run(f"echo no | sh install.sh --interactive", shell=True)
+    run(f"echo yes | sh uninstall.sh --interactive", shell=True)
+    run(f"echo no | sh uninstall.sh --interactive", shell=True)
+
+@test
+def option_verbose():
+    run(f"sh install.sh --verbose")
+    run(f"sh uninstall.sh --verbose")
+
+def test_shell(shell):
+    if not which(shell):
+        skip_test(f"Shell '{shell}' is not available")
+
+    run(f"{shell} install.sh") # No existing installation and no existing backup
+    run(f"{shell} install.sh") # Creates a backup
+    run(f"{shell} install.sh") # Backs up the backup
+    run(f"{shell} uninstall.sh")
+
+def test_version(version):
+    run(f"sh install.sh --version {version}")
+
+def test_scheme(scheme):
+    run(f"sh install.sh --scheme {scheme}")
+    run(f"sh uninstall.sh --scheme {scheme}")
+
+for shell in "ash", "bash", "dash", "ksh", "mksh", "yash", "zsh":
+    add_test(f"shell-{shell}", test_shell, shell)
+
+for version in "latest", "main", "1.5.3":
+    add_test(f"version-{version}", test_version, version)
+
+for scheme in "home", "opt":
+    add_test(f"scheme-{scheme}", test_scheme, scheme)
diff --git a/uninstall.sh b/uninstall.sh
index 5d44884..116234b 100644
--- a/uninstall.sh
+++ b/uninstall.sh
@@ -336,12 +336,12 @@ main() {
     done
 
     case "${scheme}" in
-        home) local skupper_bin_dir="${HOME}/.local/bin"     ;;
-        opt)  local skupper_bin_dir="/opt/skupper/bin"       ;;
+        home) local skupper_bin_dir="${TEST_INSTALL_PREFIX:-}${HOME}/.local/bin" ;;
+        opt)  local skupper_bin_dir="${TEST_INSTALL_PREFIX:-}/opt/skupper/bin" ;;
         *)    usage "Unknown installation scheme: ${scheme}" ;;
     esac
 
-    local work_dir="${HOME}/.cache/skupper-install-script"
+    local work_dir="${TEST_INSTALL_PREFIX:-}${HOME}/.cache/skupper-install-script"
     local log_file="${work_dir}/install.log"
     local backup_dir="${work_dir}/backup"
 
diff --git a/uninstall.sh.in b/uninstall.sh.in
index 711ae12..d32467a 100644
--- a/uninstall.sh.in
+++ b/uninstall.sh.in
@@ -99,12 +99,12 @@ main() {
     done
 
     case "${scheme}" in
-        home) local skupper_bin_dir="${HOME}/.local/bin"     ;;
-        opt)  local skupper_bin_dir="/opt/skupper/bin"       ;;
+        home) local skupper_bin_dir="${TEST_INSTALL_PREFIX:-}${HOME}/.local/bin" ;;
+        opt)  local skupper_bin_dir="${TEST_INSTALL_PREFIX:-}/opt/skupper/bin" ;;
         *)    usage "Unknown installation scheme: ${scheme}" ;;
     esac
 
-    local work_dir="${HOME}/.cache/skupper-install-script"
+    local work_dir="${TEST_INSTALL_PREFIX:-}${HOME}/.cache/skupper-install-script"
     local log_file="${work_dir}/install.log"
     local backup_dir="${work_dir}/backup"