C++: Accept test changes.

Author: MathiasVP

cpp/ql/test/library-tests/dataflow/dataflow-tests/test-source-sink.expected

@@ -323,6 +323,7 @@ irFlow
 | test.cpp:1069:9:1069:14 | call to source | test.cpp:1074:10:1074:10 | i |
 | test.cpp:1069:9:1069:14 | call to source | test.cpp:1081:10:1081:10 | i |
 | test.cpp:1117:27:1117:34 | call to source | test.cpp:1117:27:1117:34 | call to source |
+| test.cpp:1132:11:1132:16 | call to source | test.cpp:1121:8:1121:8 | x |
 | true_upon_entry.cpp:9:11:9:16 | call to source | true_upon_entry.cpp:13:8:13:8 | x |
 | true_upon_entry.cpp:17:11:17:16 | call to source | true_upon_entry.cpp:21:8:21:8 | x |
 | true_upon_entry.cpp:27:9:27:14 | call to source | true_upon_entry.cpp:29:8:29:8 | x |

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

@@ -1118,7 +1118,7 @@ void test_temp_with_conversion_from_materialization() {
 }
 
 void reads_input(int x) {
-  sink(x); // $ MISSING: ast,ir
+  sink(x); // $ ir MISSING: ast
 }
 
 void not_does_read_input(int x);