PS: Extend the set of sources in tests.

Author: MathiasVP

powershell/ql/test/TestUtilities/InlineFlowTestUtil.qll

@@ -7,6 +7,8 @@ import semmle.code.powershell.dataflow.DataFlow
 
 predicate defaultSource(DataFlow::Node src) {
   src.asStmt().getStmt().(Cmd).getCommandName() = ["Source", "Taint"]
+  or
+  src.asParameter().getName().matches(["Source%", "Taint%"])
 }
 
 predicate defaultSink(DataFlow::Node sink) {
@@ -15,5 +17,9 @@ predicate defaultSink(DataFlow::Node sink) {
 
 string getSourceArgString(DataFlow::Node src) {
   defaultSource(src) and
-  src.asStmt().getStmt().(Cmd).getAnArgument().(StringConstExpr).getValue().getValue() = result
+  (
+    src.asStmt().getStmt().(Cmd).getAnArgument().(StringConstExpr).getValue().getValue() = result
+    or
+    src.asParameter().getName().regexpCapture(["Source(.+)", "Taint(.+)"], 1) = result
+  )
 }