Pod_DNS_Resolution test fails frequently in CI

We are observing Pod_DNS_Resolution test case failure consistently in CIs. This needs to be addressed ASAP as the failures appear frequently.

Sample Output:

==============
— FAIL: TestWMCO (640.70s)
356
— FAIL: TestWMCO/network (639.16s)
357
— PASS: TestWMCO/network/East_West_Networking (309.05s)
358
— PASS: TestWMCO/network/East_West_Networking/ip-10-0-142-0.us-east-2.compute.internal (151.44s)
359
— PASS: TestWMCO/network/East_West_Networking/ip-10-0-142-0.us-east-2.compute.internal/linux_and_windows (5.23s)
360
— PASS: TestWMCO/network/East_West_Networking/ip-10-0-142-0.us-east-2.compute.internal/windows_and_windows (10.26s)
361
— PASS: TestWMCO/network/East_West_Networking/ip-10-0-142-0.us-east-2.compute.internal/linux_and_windows_through_a_clusterIP_svc (5.21s)
362
— PASS: TestWMCO/network/East_West_Networking/ip-10-0-142-0.us-east-2.compute.internal/windows_and_windows_through_a_clusterIP_svc (10.25s)
363
— PASS: TestWMCO/network/East_West_Networking/ip-10-0-148-132.us-east-2.compute.internal (156.46s)
364
— PASS: TestWMCO/network/East_West_Networking/ip-10-0-148-132.us-east-2.compute.internal/linux_and_windows (5.22s)
365
— PASS: TestWMCO/network/East_West_Networking/ip-10-0-148-132.us-east-2.compute.internal/windows_and_windows (15.29s)
366
— PASS: TestWMCO/network/East_West_Networking/ip-10-0-148-132.us-east-2.compute.internal/linux_and_windows_through_a_clusterIP_svc (5.20s)
367
— PASS: TestWMCO/network/East_West_Networking/ip-10-0-148-132.us-east-2.compute.internal/windows_and_windows_through_a_clusterIP_svc (10.30s)
368
— PASS: TestWMCO/network/North_south_networking (186.99s)
369
— FAIL: TestWMCO/network/Pod_DNS_Resolution (21.88s)
370
— FAIL: TestWMCO/network/Pod_DNS_Resolution/Valid_URL (10.34s)