Rust: fix extractor-tests

Author: aibaars

rust/ql/test/extractor-tests/literal/literal.ql

@@ -1,13 +1,16 @@
 import rust
+import TestUtils
 
-query predicate charLiteral(CharLiteralExpr e) { any() }
+query predicate charLiteral(CharLiteralExpr e) { toBeTested(e) }
 
-query predicate stringLiteral(StringLiteralExpr e) { any() }
+query predicate stringLiteral(StringLiteralExpr e) { toBeTested(e) }
 
 query predicate integerLiteral(IntegerLiteralExpr e, string suffix) {
-  suffix = concat(e.getSuffix())
+  toBeTested(e) and suffix = concat(e.getSuffix())
 }
 
-query predicate floatLiteral(FloatLiteralExpr e, string suffix) { suffix = concat(e.getSuffix()) }
+query predicate floatLiteral(FloatLiteralExpr e, string suffix) {
+  toBeTested(e) and suffix = concat(e.getSuffix())
+}
 
-query predicate booleanLiteral(BooleanLiteralExpr e) { any() }
+query predicate booleanLiteral(BooleanLiteralExpr e) { toBeTested(e) }

rust/ql/test/extractor-tests/macro_expansion/PrintAst.expected

@@ -110,7 +110,7 @@ macro_expansion.rs:
 #    2|                         getPath(): [Path] foo
 #    2|                           getSegment(): [PathSegment] foo
 #    2|                             getIdentifier(): [NameRef] foo
-#    1|                   getTailExpr(): [LiteralExpr] 0
+#    1|                   getTailExpr(): [IntegerLiteralExpr] 0
 #    1|               getName(): [Name] foo___rust_ctor___ctor
 #    1|               getRetType(): [RetTypeRepr] RetTypeRepr
 #    1|                 getTypeRepr(): [PathTypeRepr] usize