Merge pull request #3400 from TimeIncOSS/b-aws-fix-tests

aws: Only fail on missing TF_ACC_ID if we're actually running acc. tests

builtin/providers/aws/resource_aws_route_table_test.go

@@ -219,7 +219,7 @@ func TestAccAWSRouteTable_vpcPeering(t *testing.T) {
 	var v ec2.RouteTable
 
 	acctId := os.Getenv("TF_ACC_ID")
-	if acctId == "" {
+	if acctId == "" && os.Getenv(resource.TestEnvVar) != "" {
 		t.Fatal("Error: Test TestAccAWSRouteTable_vpcPeering requires an Account ID in TF_ACC_ID ")
 	}