Update tests timeout

Former-commit-id: 439b174ee82cd9bb3693682c3d8fd8f07f2edc54

ci/jenkins/jenkinsfile/singleDevTest.groovy

-timeout(time: 30, unit: 'MINUTES') {
+timeout(time: 60, unit: 'MINUTES') {
     dir ("tests/milvus_python_test") {
         sh 'python3 -m pip install -r requirements.txt'
         sh "pytest . --alluredir=\"test_out/dev/single/sqlite\" --level=1 --ip ${env.PIPELINE_NAME}-${env.BUILD_NUMBER}-single-gpu-milvus-gpu-engine.milvus.svc.cluster.local"

tests/milvus_python_test/test_table.py

@@ -656,6 +656,7 @@ class TestTableInvalid(object):
     def get_table_name(self, request):
         yield request.param
 
+    @pytest.mark.level(2)
     def test_create_table_with_invalid_tablename(self, connect, get_table_name):
         table_name = get_table_name
         param = {'table_name': table_name,
@@ -691,6 +692,7 @@ class TestCreateTableDimInvalid(object):
     def get_dim(self, request):
         yield request.param
 
+    @pytest.mark.level(2)
     @pytest.mark.timeout(5)
     def test_create_table_with_invalid_dimension(self, connect, get_dim):
         dimension = get_dim