[TESTS] add gpuonly tests for python unittests and integration (#6346)

Jenkinsfile

@@ -202,8 +202,8 @@ stage('Unit Test') {
         unpack_lib('gpu', tvm_multilib)
         timeout(time: max_time, unit: 'MINUTES') {
           sh "${docker_run} ${ci_gpu} ./tests/scripts/task_sphinx_precheck.sh"
-          sh "${docker_run} ${ci_gpu} ./tests/scripts/task_python_unittest.sh"
-          sh "${docker_run} ${ci_gpu} ./tests/scripts/task_python_integration.sh"
+          sh "${docker_run} ${ci_gpu} ./tests/scripts/task_python_unittest_gpuonly.sh"
+          sh "${docker_run} ${ci_gpu} ./tests/scripts/task_python_integration_gpuonly.sh"
         }
       }
     }

tests/scripts/task_python_integration_gpuonly.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+./tests/scripts/task_python_integration.sh

tests/scripts/task_python_unittest_gpuonly.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+./tests/scripts/task_python_unittest.sh