DATACMNS-1399 - Fixed error message in repository fragment initialization.

Swapped parameters to match the placeholder semantics in the actual error message.

Original pull request: #313.

src/main/java/org/springframework/data/repository/core/support/RepositoryFragment.java

@@ -175,8 +175,8 @@ public interface RepositoryFragment<T> {
 			interfaceClass.ifPresent(it -> {
 
 				Assert.isTrue(ClassUtils.isAssignableValue(it, implementation),
-						() -> String.format("Fragment implementation %s does not implement %s!", ClassUtils.getQualifiedName(it),
-								ClassUtils.getQualifiedName(implementation.getClass())));
+						() -> String.format("Fragment implementation %s does not implement %s!",
+								ClassUtils.getQualifiedName(implementation.getClass()), ClassUtils.getQualifiedName(it)));
 			});
 
 			this.interfaceClass = interfaceClass;