Rust: QL Test: exclude crate graph related elements

rust/ql/test/TestUtils.qll

@@ -1,3 +1,10 @@
 private import rust
 
-predicate toBeTested(Element e) { any() }
+predicate toBeTested(Element e) { not e instanceof CrateElement }
+
+class CrateElement extends Element {
+  CrateElement() {
+    this instanceof Crate or
+    any(Crate c).getModule() = this.(AstNode).getParentNode*()
+  }
+}

rust/ql/test/extractor-tests/utf8/ast.ql

@@ -1,3 +1,4 @@
 import codeql.rust.elements
+import TestUtils
 
-select any(AstNode n)
+select any(AstNode n | toBeTested(n))

rust/ql/test/library-tests/path-resolution/path-resolution.ql

@@ -1,10 +1,11 @@
 import rust
 import codeql.rust.elements.internal.PathResolution
 import utils.test.InlineExpectationsTest
+import TestUtils
 
-query predicate mod(Module m) { any() }
+query predicate mod(Module m) { toBeTested(m) }
 
-query predicate resolvePath(Path p, ItemNode i) { i = resolvePath(p) }
+query predicate resolvePath(Path p, ItemNode i) { toBeTested(p) and i = resolvePath(p) }
 
 module ResolveTest implements TestSig {
   string getARelevantTag() { result = "item" }