oeqa/selftest: Fix single threaded race issue

(From OE-Core rev: a3c8b9240a6e24e12eb2b43b48d1b0904e45afc7)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 4 insertions, 0 deletions

diff --git a/meta/lib/oeqa/selftest/context.py b/meta/lib/oeqa/selftest/context.py
index 16f82c6737..c9eb481725 100644
--- a/meta/lib/oeqa/selftest/context.py
+++ b/meta/lib/oeqa/selftest/context.py
@@ -44,9 +44,13 @@ class NonConcurrentTestSuite(unittest.TestSuite):
         self.bb_vars = bb_vars
 
     def run(self, result):
+        origenv = os.environ.copy()
         (builddir, newbuilddir) = self.setupfunc("-st", None, self.suite)
         ret = super().run(result)
+        # In forks we don't have to restore but in a single process, restore cwd and the env
         os.chdir(builddir)
+        for e in origenv:
+            os.environ[e] = origenv[e]
         if newbuilddir and ret.wasSuccessful() and self.removefunc:
             self.removefunc(newbuilddir)