From 8a55ad2c5bd6a52a7e607ce62574ce8271fd0a68 Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Wed, 21 Feb 2018 08:09:09 -0500
Subject: Tests: Run ExternalProject tests serially

These tests use a lot of resources, so run them separately from other
tests to avoid competition (which may cause spurious timeouts).
---
 Tests/CMakeLists.txt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Tests/CMakeLists.txt b/Tests/CMakeLists.txt
index 62157bb..93837dd 100644
--- a/Tests/CMakeLists.txt
+++ b/Tests/CMakeLists.txt
@@ -1445,6 +1445,7 @@ ${CMake_BINARY_DIR}/bin/cmake -DDIR=dev -P ${CMake_SOURCE_DIR}/Utilities/Release
     )
   list(APPEND TEST_BUILD_DIRS "${CMake_BINARY_DIR}/Tests/ExternalProject")
   set_tests_properties(ExternalProject PROPERTIES
+    RUN_SERIAL 1
     TIMEOUT ${CMAKE_LONG_TEST_TIMEOUT})
 
   add_test(NAME ExternalProjectSubdir
@@ -1484,6 +1485,7 @@ ${CMake_BINARY_DIR}/bin/cmake -DDIR=dev -P ${CMake_SOURCE_DIR}/Utilities/Release
     )
   list(APPEND TEST_BUILD_DIRS "${CMake_BINARY_DIR}/Tests/ExternalProjectLocal")
   set_tests_properties(ExternalProjectLocal PROPERTIES
+    RUN_SERIAL 1
     TIMEOUT ${CMAKE_LONG_TEST_TIMEOUT})
 
   add_test(ExternalProjectUpdateSetup ${CMAKE_CTEST_COMMAND}
@@ -1499,6 +1501,7 @@ ${CMake_BINARY_DIR}/bin/cmake -DDIR=dev -P ${CMake_SOURCE_DIR}/Utilities/Release
     )
   list(APPEND TEST_BUILD_DIRS "${CMake_BINARY_DIR}/Tests/ExternalProjectUpdate")
   set_tests_properties(ExternalProjectUpdateSetup PROPERTIES
+    RUN_SERIAL 1
     TIMEOUT ${CMAKE_LONG_TEST_TIMEOUT})
 
   add_test(NAME ExternalProjectUpdate
@@ -1513,6 +1516,7 @@ ${CMake_BINARY_DIR}/bin/cmake -DDIR=dev -P ${CMake_SOURCE_DIR}/Utilities/Release
     )
   list(APPEND TEST_BUILD_DIRS "${CMake_BINARY_DIR}/Tests/ExternalProjectUpdate")
   set_tests_properties(ExternalProjectUpdate PROPERTIES
+    RUN_SERIAL 1
     TIMEOUT ${CMAKE_LONG_TEST_TIMEOUT}
     WORKING_DIRECTORY ${CMake_SOURCE_DIR}/Tests/ExternalProjectUpdate
     DEPENDS ExternalProjectUpdateSetup )
-- 
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