[OE-core] [PATCH] testimage: Fix SDK extraction error handling

[Richard Purdie]

Currently if the SDK fails to extract, no error is shown and the test is marked
as passed! Clearly this is incorrect, fix it to correctly raise an error.

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

diff --git a/meta/classes/testimage.bbclass b/meta/classes/testimage.bbclass
index f0b732a..ad1f0d1 100644
--- a/meta/classes/testimage.bbclass
+++ b/meta/classes/testimage.bbclass
@@ -379,7 +379,10 @@ def testsdk_main(d):
     sdktestdir = d.expand("${WORKDIR}/testimage-sdk/")
     bb.utils.remove(sdktestdir, True)
     bb.utils.mkdirhier(sdktestdir)
-    subprocess.call("cd %s; %s <<EOF\n./tc\nY\nEOF" % (sdktestdir, tcname), shell=True)
+    try:
+        subprocess.check_output("cd %s; %s <<EOF\n./tc\nY\nEOF" % (sdktestdir, tcname), shell=True)
+    except subprocess.CalledProcessError as e:
+        bb.fatal("Couldn't install the SDK:\n%s" % e.output)
 
     try:
         targets = glob.glob(d.expand(sdktestdir + "/tc/environment-setup-*"))