Report test result with better output layout

tests/regression/test.py

@@ -10,10 +10,14 @@ def main():
     paths = sys.argv[2:]
 
     for path in paths:
+        sys.stdout.write('\033[0m')
+        sys.stdout.write(path[:-1] + ' ... ')
+        sys.stdout.flush()
         result = make(path, rule)
         make(path, 'clean')
         results.append(result)
-        sys.stdout.write('.' if result[0] == 0 else 'F')
+        sys.stdout.write('\033[1m\033[')
+        sys.stdout.write('32m[OK]\n' if result[0] == 0 else '31mFAILED\n')
         sys.stdout.flush()
 
     sys.stdout.write('\n')