C++: Fix Ql-for-QL warnings

Author: jketema

cpp/ql/test/library-tests/dataflow/dataflow-tests/has-parameter-flow-out.ql

@@ -5,8 +5,8 @@ module AstTest {
   private import semmle.code.cpp.dataflow.DataFlow::DataFlow
   private import semmle.code.cpp.dataflow.internal.DataFlowPrivate
 
-  class ASTParameterDefTest extends InlineExpectationsTest {
-    ASTParameterDefTest() { this = "ASTParameterDefTest" }
+  class AstParameterDefTest extends InlineExpectationsTest {
+    AstParameterDefTest() { this = "AstParameterDefTest" }
 
     override string getARelevantTag() { result = "ast-def" }
 

cpp/ql/test/library-tests/dataflow/dataflow-tests/test-number-of-outnodes.ql

@@ -5,8 +5,8 @@ module AstTest {
   private import semmle.code.cpp.dataflow.DataFlow::DataFlow
   private import semmle.code.cpp.dataflow.internal.DataFlowPrivate
 
-  class ASTMultipleOutNodesTest extends InlineExpectationsTest {
-    ASTMultipleOutNodesTest() { this = "ASTMultipleOutNodesTest" }
+  class AstMultipleOutNodesTest extends InlineExpectationsTest {
+    AstMultipleOutNodesTest() { this = "AstMultipleOutNodesTest" }
 
     override string getARelevantTag() { result = "ast-count(" + any(ReturnKind k).toString() + ")" }
 

cpp/ql/test/library-tests/dataflow/taint-tests/taint.ql

@@ -105,7 +105,7 @@ module IRTest {
 
     override predicate allowImplicitRead(DataFlow::Node node, DataFlow::ContentSet c) {
       // allow arbitrary reads at sinks
-      isSink(node) and
+      this.isSink(node) and
       c.(DataFlow::FieldContent).getField().getDeclaringType() = node.getType().getUnspecifiedType()
     }
   }