Apply suggestions from code review

Co-authored-by: Anders Schack-Mulligen <aschackmull@users.noreply.github.com>

Author: aibaars

java/ql/test/library-tests/dataflow/local-flow/ObjectsTest.java

@@ -1,7 +1,7 @@
 import java.util.Objects;
 
 class ObjectsTest {
-	public static void taintSteps() {
+	public static void valueSteps() {
 		sink(Objects.requireNonNull(source()));
 		sink(Objects.requireNonNull(source(), "message"));
 		sink(Objects.requireNonNull(source(), () -> "value1"));
@@ -12,4 +12,3 @@ public static void taintSteps() {
 	private static <T> T source() { return null; }
 	private static void sink(Object o) {}
 }
-

java/ql/test/library-tests/dataflow/local-flow/flow.ql

@@ -1,7 +1,7 @@
 import java
-import semmle.code.java.dataflow.TaintTracking
+import semmle.code.java.dataflow.DataFlow
 
-class Conf extends TaintTracking::Configuration {
+class Conf extends DataFlow::Configuration {
   Conf() { this = "conf" }
 
   override predicate isSource(DataFlow::Node src) {