diff --git a/tests/manifests/invalid_project_in_west_dir.yml b/tests/manifests/invalid_project_in_west_dir.yml
new file mode 100644
index 00000000..8fd4091a
--- /dev/null
+++ b/tests/manifests/invalid_project_in_west_dir.yml
@@ -0,0 +1,7 @@
+# Project paths can't be .west.
+
+manifest:
+  projects:
+    - name: nope
+      url: ignore-me
+      path: .west
diff --git a/tests/manifests/invalid_project_in_west_reldir.yml b/tests/manifests/invalid_project_in_west_reldir.yml
new file mode 100644
index 00000000..aae9889d
--- /dev/null
+++ b/tests/manifests/invalid_project_in_west_reldir.yml
@@ -0,0 +1,7 @@
+# Project paths can't be .west after normalization.
+
+manifest:
+  projects:
+    - name: nope
+      url: ignore-me
+      path: foo/../.west
diff --git a/tests/manifests/invalid_project_in_west_relsubdir.yml b/tests/manifests/invalid_project_in_west_relsubdir.yml
new file mode 100644
index 00000000..289dab36
--- /dev/null
+++ b/tests/manifests/invalid_project_in_west_relsubdir.yml
@@ -0,0 +1,7 @@
+# Project paths can't be in .west normalized.
+
+manifest:
+  projects:
+    - name: nope
+      url: ignore-me
+      path: foo/../.west/some/path
diff --git a/tests/manifests/invalid_project_in_west_subdir.yml b/tests/manifests/invalid_project_in_west_subdir.yml
new file mode 100644
index 00000000..bc37a236
--- /dev/null
+++ b/tests/manifests/invalid_project_in_west_subdir.yml
@@ -0,0 +1,7 @@
+# Project paths can't be in .west/.
+
+manifest:
+  projects:
+    - name: nope
+      url: ignore-me
+      path: .west/some/path