fix tests

Author: qingyang-hu

internal/integration/client_side_encryption_prose_test.go

@@ -2988,8 +2988,16 @@ func TestClientSideEncryptionProse(t *testing.T) {
 			mt.Skipf("Skipping test as KMS_FAILPOINT_SERVERS_RUNNING is not set")
 		}
 
-		tlsCfg := &tls.Config{
-			InsecureSkipVerify: true,
+		mt.Parallel()
+
+		var tlsCfg *tls.Config
+		if tlsCAFileKMIP != "" {
+			var err error
+			clientAndCATlsMap := map[string]interface{}{
+				"tlsCAFile": tlsCAFileKMIP,
+			}
+			tlsCfg, err = options.BuildTLSConfig(clientAndCATlsMap)
+			require.Nil(mt, err, "BuildTLSConfig error: %v", err)
 		}
 
 		setFailPoint := func(failure string, count int) error {