wagonManager.getArtifact(artifact, repo, null, false);

        wagon.clearExpectedContent();
        wagon.addExpectedContent("path", "upper-case-checksum");
        wagon.addExpectedContent("path.sha1", "B7BB97D7D0B9244398D9B47296907F73313663E6");
        wagonManager.getArtifact(artifact, repo, null, false);

        wagon.clearExpectedContent();

    }

    public void execute(MavenSession session) {}

    public Set<Plugin> getPluginsBoundByDefaultToAllLifecycles(String packaging) {
        Set<Plugin> plugins;

        // NOTE: The upper-case packaging name is intentional, that's a special hinting mode used for certain tests
        if ("JAR".equals(packaging)) {
            plugins = new LinkedHashSet<>();

              </params>
            </configuration>
          </execution>
        </executions>
      </plugin>
      <plugin>
        <groupId>org.codehaus.mojo</groupId>
        <artifactId>build-helper-maven-plugin</artifactId>
        <executions>
          <execution>
            <goals>
              <goal>attach-artifact</goal>
            </goals>
            <configuration>
              <artifacts>

                // Message below is checked for in the MNG-2199 core IT.
                throw new ModelResolverException(
                        String.format("The requested version range '%s' does not specify an upper bound", version),
                        groupId,
                        artifactId,
                        version);
            }
            List<Version> versions = session.resolveVersionRange(coord);

            if (result.hasErrors()) {
                hasErrors = true;
            }
        }
        return new Result<>(hasErrors, (Iterable<T>) modelsList, problemsList);
    }

    // helper to determine if problems contain error
    private static boolean hasErrors(Iterable<? extends ModelProblem> problems) {
        for (ModelProblem input : problems) {
            if (input.getSeverity().equals(Severity.ERROR)