chore: ignore failing ReachabilityServiceClientHttpJsonTest unit tests in network management (#11274)

This is a known issue (googleapis/sdk-platform-java#1839). The current workaround is to ignore these tests. This PR emulates https://github.com/googleapis/google-cloud-java/pull/10543/files

Author: mpeddada1

java-network-management/owlbot.py

@@ -61,6 +61,16 @@
         r'\s+@Test\n\s+public void testIamPermissionsTest\(\) throws Exception.*',
         '@Ignore("See: https://github.com/googleapis/sdk-platform-java/issues/1839")@Test\npublic void testIamPermissionsTest() throws Exception {'
     )
+    s.replace(
+        v1beta1_file_name,
+        r'\s+@Test\n\s+public void listConnectivityTestsTest\(\) throws Exception.*',
+        '@Ignore("See: https://github.com/googleapis/sdk-platform-java/issues/1839")@Test\npublic void listConnectivityTestsTest() throws Exception {'
+    )
+    s.replace(
+        v1beta1_file_name,
+        r'\s+@Test\n\s+public void createConnectivityTestTest\(\) throws Exception.*',
+        '@Ignore("See: https://github.com/googleapis/sdk-platform-java/issues/1839")@Test\npublic void createConnectivityTestTest() throws Exception {'
+    )
     s.replace(
         v1beta1_vpcflowlogs_file_name,
         r'^import org.junit.Test;',
@@ -96,4 +106,4 @@
     "license-checks.xml",
     "renovate.json",
     ".gitignore"
-])
+])