fix(a/b): ignore vsock tests on 7a

The throughput tests for vsock have been volatile since boost has no
longer been disabled. Skip this for now while we investigate.

Signed-off-by: Jack Thomson <jackabt@amazon.com>

Author: JackThomson2

tools/ab_test.py

@@ -120,6 +120,12 @@ def format_with_reduced_unit(value, unit):
     {"instance": "m6a.metal", "performance_test": "test_network_tcp_throughput"},
     # Network throughput on m7a.metal
     {"instance": "m7a.metal-48xl", "performance_test": "test_network_tcp_throughput"},
+    # vsock throughput on m7a.metal
+    {
+        "instance": "m7a.metal-48xl",
+        "performance_test": "test_vsock_throughput",
+        "mode": "g2h",
+    },
     # block latencies if guest uses async request submission
     {"fio_engine": "libaio", "metric": "clat_read"},
     {"fio_engine": "libaio", "metric": "clat_write"},