add two tests with non-standard modules

tests/mod.nu

@@ -36,6 +36,24 @@ export def install-module [] {
     }
 }
 
+export def install-module-with-repo-root [] {
+    with-nupm-home {
+        nupm install --path tests/packages/spam_module_repo_root
+
+        assert (check-install [modules spam_module_repo_root])
+        assert (check-install [modules spam_module_repo_root mod.nu])
+    }
+}
+
+export def install-module-with-src-root [] {
+    with-nupm-home {
+        nupm install --path tests/packages/spam_module_src_root
+
+        assert (check-install [modules spam_module_src_root])
+        assert (check-install [modules spam_module_src_root mod.nu])
+    }
+}
+
 export def install-custom [] {
     with-nupm-home {
         nupm install --path tests/packages/spam_custom

tests/packages/spam_module_repo_root/mod.nu

@@ -0,0 +1,3 @@
+export def main [] {
+    "Hello world!"
+}

tests/packages/spam_module_repo_root/package.nuon

@@ -0,0 +1,6 @@
+{
+    name: spam_module_repo_root,
+    type: module,
+    version: "0.1.0"
+    root: "./"
+}

tests/packages/spam_module_src_root/package.nuon

@@ -0,0 +1,6 @@
+{
+    name: spam_module_src_root,
+    type: module,
+    version: "0.1.0"
+    root: "./src/"
+}

tests/packages/spam_module_src_root/src/mod.nu

@@ -0,0 +1,3 @@
+export def main [] {
+    "Hello world!"
+}