ci: Use temporary directory for unit tests

This commit implements the use of a temporary directory for unit tests in order to ensure a clean and isolated environment for testing purposes.

Signed-off-by: Mayank Pal <mayankpal9654@gmail.com>

internal/rbd/nodeserver_test.go

@@ -243,7 +243,7 @@ func TestReadAffinity_GetReadAffinityMapOptions(t *testing.T) {
 	if err != nil {
 		t.Errorf("failed to marshal csi config info %v", err)
 	}
-	tmpConfPath := util.CsiConfigFile
+	tmpConfPath := t.TempDir() + "/ceph-csi.json"
 	err = os.Mkdir("/etc/ceph-csi-config", 0o600)
 	if err != nil {
 		t.Errorf("failed to create directory %s: %v", "/etc/ceph-csi-config", err)