HHH-9802 : Allow running hibernate-infispan unit tests using Infinispan 7.2.1.Final as a run-time dependency

hibernate-infinispan/hibernate-infinispan.gradle

@@ -2,6 +2,26 @@ configurations {
     all*.exclude group: 'org.jboss.logging', module: 'jboss-logging-spi'
 }
 
+if ( useInfinispan7ForTesting() ) {
+    configurations {
+        testRuntime {
+            resolutionStrategy {
+                force 'org.infinispan:infinispan-core:7.2.1.Final'
+            }
+        }
+    }
+}
+
+private boolean useInfinispan7ForTesting() {
+    if ( project.hasProperty( 'useInfinispan7ForTesting' ) ) {
+        println 'useInfinispan7ForTesting = ' + useInfinispan7ForTesting
+	return useInfinispan7ForTesting.equals( 'true' );
+    }
+    else {
+        return false;
+    } 
+}
+
 dependencies {
     compile project( ':hibernate-core' )
     compile( libraries.infinispan )