disable centos tests for azure cloud provider (kubermatic#1041)

Signed-off-by: Moath Qasim <[email protected]>

Author: moadqassem

test/e2e/provisioning/all_e2e_test.go

@@ -561,7 +561,8 @@ func TestAzureProvisioningE2E(t *testing.T) {
 		t.Fatal("unable to run the test suite, AZURE_TENANT_ID, AZURE_SUBSCRIPTION_ID, AZURE_CLIENT_ID and AZURE_CLIENT_SECRET environment variables cannot be empty")
 	}
 
-	selector := Not(OsSelector("sles", "amzn2"))
+	// TODO: until it the publisher and sku is ajdusted or centos is being deprecated.
+	selector := Not(OsSelector("sles", "amzn2", "centos"))
 	// act
 	params := []string{
 		fmt.Sprintf("<< AZURE_TENANT_ID >>=%s", azureTenantID),