完善单元测试

sa-token-starter/sa-token-spring-boot-starter/src/main/java/cn/dev33/satoken/spring/SaPathMatcherHolder.java

@@ -9,6 +9,9 @@ import org.springframework.util.PathMatcher;
  *
  */
 public class SaPathMatcherHolder {
+	
+	private SaPathMatcherHolder() {
+	}
 
 	/**
 	 * 路由匹配器

sa-token-starter/sa-token-spring-boot-starter/src/main/java/cn/dev33/satoken/spring/SpringMVCUtil.java

@@ -15,6 +15,9 @@ import cn.dev33.satoken.exception.SaTokenException;
  */
 public class SpringMVCUtil {
 	
+	private SpringMVCUtil() {
+	}
+	
 	/**
 	 * 获取当前会话的 request 
 	 * @return request