Fix for CVE-2021-30180 in apache/dubbo (project apache__dubbo_CVE-2021-30180_2.7.9), commit 041f8bb0a98a912bd363560d5a2339198dcf79a5
Fixed file: dubbo-cluster/src/test/java/org/apache/dubbo/rpc/cluster/router/TagRouterTest.java
Fixed class: TagRouterTest (lines 30-79)
Fixed method: tagRouterRuleParseTest (lines 79-110)
Method signature: void tagRouterRuleParseTest()