test: add extra space in test failure output

PR-URL: #37957
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Richard Lau <rlau@redhat.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Darshan Sen <raisinten@gmail.com>

Author: Ayase-252

test/pseudo-tty/testcfg.py

@@ -70,7 +70,7 @@ def IsFailureOutput(self, output):
     raw_lines = (output.stdout + output.stderr).split('\n')
     outlines = [ s.rstrip() for s in raw_lines if not self.IgnoreLine(s) ]
     if len(outlines) != len(patterns):
-      print("length differs.")
+      print(" length differs.")
       print("expect=%d" % len(patterns))
       print("actual=%d" % len(outlines))
       print("patterns:")
@@ -82,7 +82,7 @@ def IsFailureOutput(self, output):
       return True
     for i in range(len(patterns)):
       if not re.match(patterns[i], outlines[i]):
-        print("match failed")
+        print(" match failed")
         print("line=%d" % i)
         print("expect=%s" % patterns[i])
         print("actual=%s" % outlines[i])