Refactor jms test

Author: egregius313

java/ql/test/library-tests/frameworks/jms/FlowTest.ql

@@ -2,26 +2,26 @@ import java
 import semmle.code.java.dataflow.FlowSources
 import TestUtilities.InlineExpectationsTest
 
-class TestConfig extends TaintTracking::Configuration {
-  TestConfig() { this = "TestConfig" }
+module TestConfig implements DataFlow::ConfigSig {
+  predicate isSource(DataFlow::Node source) { source instanceof RemoteFlowSource }
 
-  override predicate isSource(DataFlow::Node source) { source instanceof RemoteFlowSource }
-
-  override predicate isSink(DataFlow::Node sink) {
+  predicate isSink(DataFlow::Node sink) {
     exists(MethodAccess call |
       call.getMethod().hasName("sink") and call.getArgument(0) = sink.asExpr()
     )
   }
 }
 
+module TestFlow = TaintTracking::Global<TestConfig>;
+
 class JmsFlowTest extends InlineExpectationsTest {
   JmsFlowTest() { this = "JmsFlowTest" }
 
   override string getARelevantTag() { result = "tainted" }
 
   override predicate hasActualResult(Location location, string element, string tag, string value) {
     tag = "tainted" and
-    exists(DataFlow::PathNode sink, TestConfig conf | conf.hasFlowPath(_, sink) |
+    exists(TestFlow::PathNode sink | TestFlow::flowPath(_, sink) |
       location = sink.getNode().getLocation() and element = sink.getNode().toString() and value = ""
     )
   }