Add a substitute function for execution on Windows OS

[woohyun-jeong]

What is this PR for?

The executeGrepProcessWindowCommand function can be used as a replacement for the executeGrepProcessCommand function when running on Windows OS.

Overview or reasons

• Please explain the contents.
  Add a function for testing the server on Windows OS.

Tasks

• Please explain what did you do.
  Add executeGrepProcessWindowCommand function to EmbeddedRedisServerConfiguration class.

Result

• Please Describe the result
  Verify proper functionality on Windows OS with executeGrepProcessWindowCommand function.

The original error was as follows: Cannot run program "/bin/sh": CreateProcess error=2

After taking action, it now appears as follows:Completed

The code in the EmbeddedRedisServerConfiguration class needs to be modified when running on Windows OS.

private boolean isRedisRunning() throws IOException {
        return isRunning(executeGrepProcessWindowCommand(redisPort));
    }

public int findAvailablePort() throws IOException {

        for (int port = 10000; port <= 65535; port++) {
            Process process = executeGrepProcessWindowCommand(port);
            if (!isRunning(process)) {
                return port;
            }
        }

        throw new IllegalArgumentException("Not Found Available port: 10000 ~ 65535");
    }

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