Fixing tests and moving flag to advanced usage

programs/zstdcli.c

@@ -118,7 +118,6 @@ static int usage(const char* programName)
 #endif
     DISPLAY( " -D file: use `file` as Dictionary \n");
     DISPLAY( " -o file: result stored into `file` (only if 1 input file) \n");
-    DISPLAY( "--exclude-compressed:  only compress files that are not previously compressed \n");
     DISPLAY( " -f     : overwrite output without prompting and (de)compress links \n");
     DISPLAY( "--rm    : remove source file(s) after successful de/compression \n");
     DISPLAY( " -k     : preserve source file(s) (default) \n");

tests/playTests.sh

@@ -232,7 +232,6 @@ else
   println "Test is not successful"
 fi
 println "Test completed"
-sleep 5
 
 println "test : file removal"
 $ZSTD -f --rm tmp