Moving to new azure image for Linux and excluding skipped tests

Author: kozlov-alexey

azure-pipelines.yml

@@ -31,8 +31,8 @@ jobs:
 
 - template: buildscripts/azure/template-linux-macos.yml
   parameters:
-    name: Ubuntu1604
-    vmImage: ubuntu-16.04
+    name: Ubuntu1804
+    vmImage: ubuntu-18.04
     allowFailure: false
     matrix:
       py3.7_numpy1.17:

sdc/tests/test_io.py

@@ -250,9 +250,9 @@ def test_pyarrow(self):
             "csv_parallel1",
             "csv_str_parallel1",
             "csv_usecols1",
-            "csv_cat1",
-            "csv_cat2",
-            "csv_single_dtype1",
+            # "csv_cat1",
+            # "csv_cat2",
+            # "csv_single_dtype1",
         ]
         for test in tests:
             with self.subTest(test=test):