Try to fix 2 intermittent test failures

hapi-fhir-base/src/main/java/ca/uhn/fhir/fluentpath/IFluentPath.java

@@ -48,4 +48,8 @@ public interface IFluentPath {
 	<T extends IBase> Optional<T> evaluateFirst(IBase theInput, String thePath, Class<T> theReturnType);
 
 
+	/**
+	 * Parses the expression and throws an exception if it can not parse correctly
+	 */
+	void parse(String theExpression) throws Exception;
 }

hapi-fhir-jpaserver-base/src/main/java/ca/uhn/fhir/jpa/dao/r4/FhirResourceDaoSearchParameterR4.java

@@ -145,10 +145,9 @@ public class FhirResourceDaoSearchParameterR4 extends BaseHapiFhirResourceDao<Se
 
 			} else {
 
-				FHIRPathEngine fhirPathEngine = new FHIRPathEngine(new HapiWorkerContext(theContext, VALIDATION_SUPPORT));
 				try {
-					fhirPathEngine.parse(theExpression);
-				} catch (FHIRLexer.FHIRLexerException e) {
+					theContext.newFluentPath().parse(theExpression);
+				} catch (Exception e) {
 					throw new UnprocessableEntityException("Invalid SearchParameter.expression value \"" + theExpression + "\": " + e.getMessage());
 				}
 

hapi-fhir-jpaserver-base/src/test/java/ca/uhn/fhir/jpa/provider/r4/ResourceProviderCustomSearchParamR4Test.java

@@ -49,7 +49,6 @@ import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertThat;
 import static org.junit.Assert.fail;
-import static org.thymeleaf.util.ListUtils.sort;
 
 public class ResourceProviderCustomSearchParamR4Test extends BaseResourceProviderR4Test {
 
@@ -529,7 +528,7 @@ public class ResourceProviderCustomSearchParamR4Test extends BaseResourceProvide
 				if (bundle == null) {
 					bundle = ourClient
 						.search()
-						.byUrl(ourServerBase + "/Questionnaire?item-text:contains=Section")
+						.byUrl(ourServerBase + "/Questionnaire?item-text=Section")
 						.returnBundle(Bundle.class)
 						.execute();
 				} else {
@@ -551,9 +550,9 @@ public class ResourceProviderCustomSearchParamR4Test extends BaseResourceProvide
 				List<Search> searches = mySearchEntityDao.findAll();
 				assertEquals(1, searches.size());
 				Search search = searches.get(0);
-				String message = "\nWanted: " + sort(ids) + "\n" +
-					"Actual: " + sort(actualIds) + "\n" +
-					"Found : " + sort(found) + "\n" +
+				String message = "\nWanted: " + (ids) + "\n" +
+					"Actual: " + (actualIds) + "\n" +
+					"Found : " + (found) + "\n" +
 					search.toString();
 				assertEquals(message, 200, search.getNumFound());
 				assertEquals(message, 200, search.getTotalCount().intValue());

hapi-fhir-jpaserver-base/src/test/java/ca/uhn/fhir/jpa/term/TerminologyLoaderSvcIntegrationDstu3Test.java

@@ -7,7 +7,13 @@ import ca.uhn.fhir.jpa.dao.dstu3.BaseJpaDstu3Test;
 import ca.uhn.fhir.jpa.term.api.ITermLoaderSvc;
 import ca.uhn.fhir.util.TestUtil;
 import com.google.common.collect.Lists;
-import org.hl7.fhir.dstu3.model.*;
+import org.hl7.fhir.dstu3.model.CodeType;
+import org.hl7.fhir.dstu3.model.Coding;
+import org.hl7.fhir.dstu3.model.Parameters;
+import org.hl7.fhir.dstu3.model.PrimitiveType;
+import org.hl7.fhir.dstu3.model.StringType;
+import org.hl7.fhir.dstu3.model.Type;
+import org.hl7.fhir.dstu3.model.ValueSet;
 import org.hl7.fhir.instance.model.api.IPrimitiveType;
 import org.junit.After;
 import org.junit.AfterClass;
@@ -24,8 +30,13 @@ import java.util.Set;
 import java.util.stream.Collectors;
 
 import static org.awaitility.Awaitility.await;
-import static org.hamcrest.Matchers.*;
-import static org.junit.Assert.*;
+import static org.hamcrest.Matchers.containsInAnyOrder;
+import static org.hamcrest.Matchers.empty;
+import static org.hamcrest.Matchers.greaterThan;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertThat;
+import static org.junit.Assert.assertTrue;
 
 public class TerminologyLoaderSvcIntegrationDstu3Test extends BaseJpaDstu3Test {
 
@@ -116,9 +127,7 @@ public class TerminologyLoaderSvcIntegrationDstu3Test extends BaseJpaDstu3Test {
 
 		myTerminologyDeferredStorageSvc.saveDeferred();
 
-		runInTransaction(() -> {
-			await().until(() -> myTermConceptMapDao.count(), greaterThan(0L));
-		});
+		await().until(() -> runInTransaction(() -> myTermConceptMapDao.count()), greaterThan(0L));
 	}
 
 	@Test

hapi-fhir-structures-dstu3/src/main/java/org/hl7/fhir/dstu3/hapi/fluentpath/FluentPathDstu3.java

@@ -49,4 +49,9 @@ public class FluentPathDstu3 implements IFluentPath {
     return evaluate(theInput, thePath, theReturnType).stream().findFirst();
   }
 
+  @Override
+  public void parse(String theExpression) {
+    myEngine.parse(theExpression);
+  }
+
 }

hapi-fhir-structures-r4/src/main/java/org/hl7/fhir/r4/hapi/fluentpath/FluentPathR4.java

@@ -49,5 +49,10 @@ public class FluentPathR4 implements IFluentPath {
     return evaluate(theInput, thePath, theReturnType).stream().findFirst();
   }
 
+  @Override
+  public void parse(String theExpression) {
+    myEngine.parse(theExpression);
+  }
+
 
 }

hapi-fhir-structures-r5/src/main/java/org/hl7/fhir/r5/hapi/fhirpath/FhirPathR5.java

@@ -49,5 +49,10 @@ public class FhirPathR5 implements IFluentPath {
     return evaluate(theInput, thePath, theReturnType).stream().findFirst();
   }
 
+	@Override
+	public void parse(String theExpression) {
+		myEngine.parse(theExpression);
+	}
+
 
 }