Improve sonobuoy status output handling

Signed-off-by: Brad Davidson <brad.davidson@rancher.com>

scripts/test-helpers

@@ -171,12 +171,12 @@ export -f dump-logs
 # ---
 
 retrieve-sonobuoy-logs() {
-    sonobuoy status || true
-
     local status=passed
     local code=0
+    local testStatus=$(sonobuoy status 2>&1)
+    cat <<< $testStatus
 
-    if ! sonobuoy status | grep -q -E ' +e2e +complete +passed +'; then
+    if ! grep -q -E '\s+e2e\s+complete\s+passed\s+' <<< $testStatus; then
         status=failed
         code=1
     fi