Python: Move dataflow tests out of experimental

python/ql/test/library-tests/dataflow/global-flow/accesses.ql

@@ -0,0 +1,34 @@
+import python
+import semmle.python.dataflow.new.DataFlow
+import TestUtilities.InlineExpectationsTest
+
+module GlobalReadTest implements TestSig {
+  string getARelevantTag() { result = "reads" }
+
+  predicate hasActualResult(Location location, string element, string tag, string value) {
+    exists(DataFlow::ModuleVariableNode n, DataFlow::Node read |
+      read = n.getARead() and
+      value = n.getVariable().getId() and
+      value != "print" and
+      tag = "reads" and
+      location = read.getLocation() and
+      element = read.toString()
+    )
+  }
+}
+
+module GlobalWriteTest implements TestSig {
+  string getARelevantTag() { result = "writes" }
+
+  predicate hasActualResult(Location location, string element, string tag, string value) {
+    exists(DataFlow::ModuleVariableNode n, DataFlow::Node read |
+      read = n.getAWrite() and
+      value = n.getVariable().getId() and
+      tag = "writes" and
+      location = read.getLocation() and
+      element = read.toString()
+    )
+  }
+}
+
+import MakeTest<MergeTests<GlobalReadTest, GlobalWriteTest>>