Update log tests to use env vars

test/new_relic/agent/health_check_test.rb

@@ -231,9 +231,9 @@ def test_agent_health_started_if_required_info_present
       end
 
       assert_log_contains(log, 'Agent control health check conditions met. Starting health checks.')
-      refute_log_contains(log, 'agent_control.fleet_id not found')
-      refute_log_contains(log, 'agent_control.health.delivery_location not found')
-      refute_log_contains(log, 'agent_control.health.frequency zero or less')
+      refute_log_contains(log, 'NEW_RELIC_AGENT_CONTROL_FLEET_ID not found')
+      refute_log_contains(log, 'NEW_RELIC_AGENT_CONTROL_HEALTH_DELIVERY_LOCATION not found')
+      refute_log_contains(log, 'NEW_RELIC_AGENT_CONTROL_HEALTH_FREQUENCY zero or less')
     end
   end
 
@@ -249,7 +249,7 @@ def test_agent_health_not_generated_if_agent_control_fleet_id_absent
         end
       end
 
-      assert_log_contains(log, 'agent_control.fleet_id not found')
+      assert_log_contains(log, 'NEW_RELIC_AGENT_CONTROL_FLEET_ID not found')
       refute_log_contains(log, 'Agent control health check conditions met. Starting health checks.')
     end
   end
@@ -266,7 +266,7 @@ def test_agent_health_not_generated_if_delivery_location_absent
         end
       end
 
-      assert_log_contains(log, 'agent_control.health.delivery_location not found')
+      assert_log_contains(log, 'NEW_RELIC_AGENT_CONTROL_HEALTH_DELIVERY_LOCATION not found')
       refute_log_contains(log, 'Agent control health check conditions met. Starting health checks.')
     end
   end
@@ -284,7 +284,7 @@ def test_agent_health_not_generated_if_frequency_is_zero
         end
       end
 
-      assert_log_contains(log, 'agent_control.health.frequency zero or less')
+      assert_log_contains(log, 'NEW_RELIC_AGENT_CONTROL_HEALTH_FREQUENCY zero or less')
       refute_log_contains(log, 'Agent control health check conditions met. Starting health checks.')
     end
   end