Extract PPBR package path validation

tests/cmake/expect_pano_cli_plan_brush_package_export_failure.cmake

@@ -6,11 +6,24 @@ if(NOT DEFINED EXPECTED_OUTPUT)
     message(FATAL_ERROR "EXPECTED_OUTPUT must be set")
 endif()
 
-execute_process(
-    COMMAND "${PANO_CLI}" plan-brush-package-export
-    RESULT_VARIABLE result
-    OUTPUT_VARIABLE output
-    ERROR_VARIABLE error)
+if(NOT DEFINED EXPECT_NO_DIRECTORY)
+    set(EXPECT_NO_DIRECTORY OFF)
+endif()
+
+if(EXPECT_NO_DIRECTORY)
+    execute_process(
+        COMMAND "${PANO_CLI}" plan-brush-package-export
+            --path clouds
+        RESULT_VARIABLE result
+        OUTPUT_VARIABLE output
+        ERROR_VARIABLE error)
+else()
+    execute_process(
+        COMMAND "${PANO_CLI}" plan-brush-package-export
+        RESULT_VARIABLE result
+        OUTPUT_VARIABLE output
+        ERROR_VARIABLE error)
+endif()
 
 if(result EQUAL 0)
     message(FATAL_ERROR "Expected pano_cli plan-brush-package-export to fail, but it exited 0")