Migrate (pkg/ddc/jindocache/sync_runtime_test.go) tests to use Ginkgo (#5536)

* test(jindocache): migrate sync_runtime_test to ginkgo

Signed-off-by: Harsh <harshmastic@gmail.com>

* fix: suite package + typo emtpy->empty

Signed-off-by: Harsh <harshmastic@gmail.com>

* fix: change base suite and tests to package base

Signed-off-by: Harsh <harshmastic@gmail.com>

* fix: revert accidental changes to base package

Restores pkg/ddc/base/base_suite_test.go and runtime_conventions_test.go
to their upstream versions. These files should remain as package base_test
(external test package) to avoid conflicts with existing tests.

Signed-off-by: Harsh <harshmastic@gmail.com>

---------

Signed-off-by: Harsh <harshmastic@gmail.com>

Author: hxrshxz

pkg/ddc/jindocache/jindocache_suite_test.go

@@ -1,4 +1,4 @@
-package jindocache_test
+package jindocache
 
 import (
 	"testing"