tests: add unit tests on command /allbuf

tests/unit/core/test-core-command.cpp

@@ -146,6 +146,19 @@ TEST_GROUP(CoreCommand)
     }
 };
 
+/*
+ * Tests functions:
+ *   command_allbuf
+ */
+
+TEST(CoreCommand, Allbuf)
+{
+    WEE_CMD_CORE_MIN_ARGS("/allbuf", "/allbuf");
+
+    WEE_CMD_CORE("/allbuf /print test allbuf");
+    WEE_CHECK_MSG_CORE("", "test allbuf");
+}
+
 /*
  * Tests functions:
  *   command_away