added test_io to Ignore list in azure and travis

Author: orduek

.azure-pipelines/windows.yml

@@ -99,7 +99,8 @@ jobs:
           -I test_round_trip ^
           -I test_rstutils ^
           -I test_scaling ^
-          -I test_wrapstruct
+          -I test_wrapstruct ^
+	  -I test_io
       displayName: 'Nose tests'
       condition: and(succeeded(), eq(variables['CHECK_TYPE'], 'nosetests'))
     - script: |

.travis.yml

@@ -186,7 +186,8 @@ script:
                 -I test_round_trip \
                 -I test_rstutils \
                 -I test_scaling \
-                -I test_wrapstruct
+                -I test_wrapstruct \
+		-I test_io
       elif [ "${CHECK_TYPE}" == "test" ]; then
           # Change into an innocuous directory and find tests from installation
           mkdir for_testing