[BattOr] Initialize BattOr before getting firmware git hash.

tools/battor_agent/battor_agent_unittest.cc

Index: tools/battor_agent/battor_agent_unittest.cc
diff --git a/tools/battor_agent/battor_agent_unittest.cc b/tools/battor_agent/battor_agent_unittest.cc
index 291c109c9ae016f7a3620e3bedbf1678cca3e631..611f809dc893612485c05f17f43161ca226a1dd1 100644
--- a/tools/battor_agent/battor_agent_unittest.cc
+++ b/tools/battor_agent/battor_agent_unittest.cc
@@ -301,6 +301,15 @@ class BattOrAgentTest : public testing::Test, public BattOrAgent::Listener {
       return;
 
     OnBytesSent(true);
+    if (end_state == BattOrAgentState::INIT_SENT)
+      return;
+
+    OnMessageRead(true, BATTOR_MESSAGE_TYPE_CONTROL_ACK,
+                  ToCharVector(kInitAck));
+    if (end_state == BattOrAgentState::INIT_ACKED)
+      return;
+
+    OnBytesSent(true);
     if (end_state == BattOrAgentState::GIT_FIRMWARE_HASH_REQUEST_SENT)
       return;