lib/tests: Add tests for recursive disabledModules

lib/tests/modules/disable-recursive/bar.nix

@@ -0,0 +1,5 @@
+{
+  imports = [
+    ../declare-enable.nix
+  ];
+}

lib/tests/modules/disable-recursive/disable-bar.nix

@@ -0,0 +1,7 @@
+{
+
+  disabledModules = [
+    ./bar.nix
+  ];
+
+}

lib/tests/modules/disable-recursive/disable-foo.nix

@@ -0,0 +1,7 @@
+{
+
+  disabledModules = [
+    ./foo.nix
+  ];
+
+}

lib/tests/modules/disable-recursive/foo.nix

@@ -0,0 +1,5 @@
+{
+  imports = [
+    ../declare-enable.nix
+  ];
+}

lib/tests/modules/disable-recursive/main.nix

@@ -0,0 +1,8 @@
+{
+  imports = [
+    ./foo.nix
+    ./bar.nix
+  ];
+
+  enable = true;
+}