private static final String LS = System.lineSeparator();

    @Test
    void testMissingArtifactMessageFormat() {
        String message = "Missing artifact";
        String indentation = "  ";
        String groupId = "aGroupId";
        String artifactId = "anArtifactId";
        String version = "aVersion";
        String type = "jar";
        String classifier = "aClassifier";

                        ArrayList groups = (ArrayList) map.get(mem);
                        if (groups == null) {
                            groups = new ArrayList();
                            map.put(mem, groups);
                        }
                        if (!groups.contains(groupSid)) {
                            groups.add(groupSid);
                        }
                    }

    }

    @Test
    void mergeSameDependencies() {
        Dependency dependency = Dependency.newBuilder()
                .groupId("groupId")
                .artifactId("artifactId")
                .type("type")
                .build();

        Model target =
                Model.newBuilder().dependencies(Arrays.asList(dependency)).build();

    /**
     * Get a list of available versions for an artifact in the remote repository
     *
     * @param artifact           artifact we are interested in. Only <code>groupid</code> and <code>artifactId</code>
     *                           are needed, for instance the following code will work

    </lifecycle>
  </lifecycles>
</configuration>

We need to turn this list of phases into a set of plugin objects that have an XML representation like the following:

<plugins>
  <plugin>
    <groupId>org.apache.maven.plugins</groupId>
    <artifactId>maven-resources-plugin</artifactId>
    <executions>
      <execution>
        <goals>
          <goal>process</goal>
        </goals>
      </execution>
    </executions>

        assertEquals("", projectId, "Should return empty string when all models are null");
    }

    private Model createMockModel(String groupId, String artifactId, String version) {
        return Model.newBuilder()
                .groupId(groupId)
                .artifactId(artifactId)
                .version(version)
                .packaging("jar")
                .build();
    }

    /**

            "type" : "keyword"
          },
          "gidNumber" : {
            "type" : "long"
          },
          "givenName" : {
            "type" : "keyword"
          },
          "groups" : {
            "type" : "keyword"
          },
          "homeDirectory" : {
            "type" : "keyword"
          },
          "homePhone" : {
            "type" : "keyword"
          },

 *       <i>j</i><sup>th</sup> item in the <i>i</i><sup>th</sup> equality group, where both equality
 *       groups and the items within equality groups are numbered starting from 1. When either a
 *       constructor argument or an equal object is provided, that becomes group 1.
 * </ul>
 *
 * @author Jim McMaster
 * @author Jige Yu
 * @since 10.0
 */
@GwtCompatible

import java.util.List;
import org.jspecify.annotations.NullMarked;

/**
 * Tester for {@link Equivalence} relationships between groups of objects.
 *
 * <p>To use, create a new {@link EquivalenceTester} and add equivalence groups where each group
 * contains objects that are supposed to be equal to each other. Objects of different groups are
 * expected to be unequal. For example:
 *
 * {@snippet :
 * EquivalenceTester.of(someStringEquivalence)

import java.util.List;
import org.jspecify.annotations.NullMarked;

/**
 * Tester for {@link Equivalence} relationships between groups of objects.
 *
 * <p>To use, create a new {@link EquivalenceTester} and add equivalence groups where each group
 * contains objects that are supposed to be equal to each other. Objects of different groups are
 * expected to be unequal. For example:
 *
 * {@snippet :
 * EquivalenceTester.of(someStringEquivalence)