Fix AgentQueuePerHostTests (#785)

Summary:
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- [x] I've ran the linters locally and fixed lint errors related to the files I modified in this PR. You can install the linters by running `pip install -r requirements-dev.txt && pre-commit install`
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check for merge conflicts................................................Passed

Pull Request resolved: #785

Test Plan: Verify the test run manually.

Reviewed By: vasantspatil

Differential Revision: D90421655

Pulled By: Tianyu-Meta

fbshipit-source-id: af6ad50eb04987cb93d602159b2b2abb9b3fda89

Author: Khiruthigai (Kitty) Balasubramanian

fboss/agent/test/agent_hw_tests/AgentQueuePerHostTests.cpp

@@ -452,11 +452,13 @@ class AgentQueuePerHostTest : public AgentHwTest {
 
           // counts ttl >= 128 packet only
           EXPECT_EVENTUALLY_EQ(packetsAfter - packetsBefore, 1);
-          if (frontPanel) {
-            EXPECT_EVENTUALLY_EQ(bytesAfter - bytesBefore, packetSize);
+          if (isSupportedOnAllAsics(HwAsic::Feature::ACL_BYTE_COUNTER)) {
+            if (frontPanel) {
+              EXPECT_EVENTUALLY_EQ(bytesAfter - bytesBefore, packetSize);
+            }
+            // TODO: Still need to debug why we get extra 4 bytes for CPU port
+            EXPECT_EVENTUALLY_TRUE(bytesAfter - bytesBefore >= packetSize);
           }
-          // TODO: Still need to debug why we get extra 4 bytes for CPU port
-          EXPECT_EVENTUALLY_TRUE(bytesAfter - bytesBefore >= packetSize);
         });
       }
     };