CI Fix (#922)

* add 1e-4 tolerance on dc oswpf node-breaker test

Author: ccoffrin

test/opf-var.jl

@@ -646,7 +646,7 @@ end
             @test switch_status_total <= 13.000 && switch_status_total >= 10.000 # 1 to 4 swtiches off
 
             branch_status_total = sum(branch["br_status"] for (i,branch) in result["solution"]["branch"])
-            @test branch_status_total >= 5.0 && branch_status_total <= 7.0  # zero-two branches off
+            @test branch_status_total >= 4.9999 && branch_status_total <= 7.0001  # zero-two branches off
         end
     end