[gnome-continuous-yocto/gnomeostree-3.28-rocko: 6344/8267] selftest/sstatetests: Fix potential failure on uniprocessor machines

[Emmanuele Bassi <ebassi src gnome org>]

commit 5db4d0dbbb7d7b0f0142da9649192b0ac2db9a7d
Author: Richard Purdie <richard purdie linuxfoundation org>
Date:   Wed Jun 14 11:55:45 2017 +0100

    selftest/sstatetests: Fix potential failure on uniprocessor machines
    
    It was pointed out +1 is safer than -1 for systems with one processor.
    
    (From OE-Core rev: 78041e20e43d9583448ff31f8b9b1c6157da8625)
    
    Signed-off-by: Richard Purdie <richard purdie linuxfoundation org>

 meta/lib/oeqa/selftest/cases/sstatetests.py |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/meta/lib/oeqa/selftest/cases/sstatetests.py b/meta/lib/oeqa/selftest/cases/sstatetests.py
index feadf3c..e68ef5c 100644
--- a/meta/lib/oeqa/selftest/cases/sstatetests.py
+++ b/meta/lib/oeqa/selftest/cases/sstatetests.py
@@ -431,7 +431,7 @@ http_proxy = ""
         bitbake("world meta-toolchain -S none")
         self.write_config("""
 TMPDIR = "${TOPDIR}/tmp-sstatesamehash2"
-BB_NUMBER_THREADS = "${@oe.utils.cpu_count()-1}"
+BB_NUMBER_THREADS = "${@oe.utils.cpu_count()+1}"
 PARALLEL_MAKE = "-j 2"
 DL_DIR = "${TOPDIR}/download2"
 TIME = "222222"