updates

Author: qingyang-hu

mongo/integration/mtest/mongotest.go

@@ -177,7 +177,9 @@ func New(wrapped *testing.T, opts ...*Options) *T {
 	t := newT(wrapped, opts...)
 
 	fpOpt := t.clientOpts
-	fpOpt.AutoEncryptionOptions = nil
+	if fpOpt != nil {
+		fpOpt.AutoEncryptionOptions = nil
+	}
 	t.fpClient = t.createTestClient(fpOpt)
 
 	// only create a client if it needs to be shared in sub-tests