Centralize legacy brush package import

tests/cmake/expect_pano_cli_plan_brush_package_import_failure.cmake

@@ -0,0 +1,39 @@
+if(NOT DEFINED PANO_CLI)
+    message(FATAL_ERROR "PANO_CLI must be set")
+endif()
+
+if(NOT DEFINED EXPECTED_OUTPUT)
+    message(FATAL_ERROR "EXPECTED_OUTPUT must be set")
+endif()
+
+if(NOT DEFINED EXPECT_UNKNOWN_KIND)
+    set(EXPECT_UNKNOWN_KIND OFF)
+endif()
+
+if(EXPECT_UNKNOWN_KIND)
+    execute_process(
+        COMMAND "${PANO_CLI}" plan-brush-package-import
+            --kind zip
+            --path D:/Paint/Brushes/clouds.zip
+        RESULT_VARIABLE result
+        OUTPUT_VARIABLE output
+        ERROR_VARIABLE error)
+else()
+    execute_process(
+        COMMAND "${PANO_CLI}" plan-brush-package-import
+            --kind ppbr
+        RESULT_VARIABLE result
+        OUTPUT_VARIABLE output
+        ERROR_VARIABLE error)
+endif()
+
+if(result EQUAL 0)
+    message(FATAL_ERROR "Expected pano_cli plan-brush-package-import to fail, but it exited 0")
+endif()
+
+set(combined_output "${output}${error}")
+string(FIND "${combined_output}" "${EXPECTED_OUTPUT}" expected_index)
+if(expected_index LESS 0)
+    message(FATAL_ERROR
+        "Expected output to contain '${EXPECTED_OUTPUT}', got: ${combined_output}")
+endif()