Add tests for legacy search results in ConceptRepository

Added unit tests to verify the functionality of getLegacySearchResults in ConceptRepository. Tests cover basic search, search by search term, result pagination, and consistency with concept search results.

src/test/java/edu/harvard/dbmi/avillach/dictionary/concept/ConceptRepositoryTest.java

@@ -6,6 +6,7 @@
 import edu.harvard.dbmi.avillach.dictionary.concept.model.ContinuousConcept;
 import edu.harvard.dbmi.avillach.dictionary.facet.Facet;
 import edu.harvard.dbmi.avillach.dictionary.filter.Filter;
+import edu.harvard.dbmi.avillach.dictionary.legacysearch.model.SearchResult;
 import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.Test;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -323,4 +324,37 @@ void shouldGetContConceptWithDecimalNotation() {
         Assertions.assertEquals(0.57f, concept.min());
         Assertions.assertEquals(6.77f, concept.max());
     }
+
+    @Test
+    void shouldGetLegacySearchResults() {
+        List<SearchResult> searchResults = subject.getLegacySearchResults(new Filter(List.of(), "", List.of()), Pageable.unpaged());
+
+        Assertions.assertEquals(30, searchResults.size());
+    }
+
+    @Test
+    void shouldGetLegacySearchResultsBySearch() {
+        List<SearchResult> searchResults =
+            subject.getLegacySearchResults(new Filter(List.of(), "phs000007", List.of()), Pageable.unpaged());
+
+        searchResults.forEach(searchResult -> Assertions.assertEquals("phs000007", searchResult.result().studyId()));
+
+    }
+
+    @Test
+    void shouldGetLegacySearchResultsByPageSize() {
+        List<SearchResult> searchResults = subject.getLegacySearchResults(new Filter(List.of(), "", List.of()), Pageable.ofSize(5));
+
+        Assertions.assertEquals(5, searchResults.size());
+    }
+
+    @Test
+    void legacySearchResultShouldGetEqualCountToConceptSearch() {
+        // This test will ensure modifications made to the conceptSearch will be reflected in the legacy search result.
+        // They use near equivalent queries and updates made to one should be made to the other.
+        List<SearchResult> searchResults = subject.getLegacySearchResults(new Filter(List.of(), "", List.of()), Pageable.unpaged());
+        List<Concept> concepts = subject.getConcepts(new Filter(List.of(), "", List.of()), Pageable.unpaged());
+
+        Assertions.assertEquals(searchResults.size(), concepts.size());
+    }
 }