Fix tests for UniversalFallback

Author: odow

src/Utilities/universalfallback.jl

@@ -372,6 +372,36 @@ function MOI.get(
     return _get(uf, attr)
 end
 
+function MOI.get(
+    uf::UniversalFallback,
+    attr::MOI.VariableBridgingCost{S},
+)::Float64 where {S<:MOI.AbstractScalarSet}
+    if MOI.supports_added_constrained_variable(uf.model, S)
+        return MOI.get(uf.model, attr)
+    end
+    return 0.0
+end
+
+function MOI.get(
+    uf::UniversalFallback,
+    attr::MOI.VariableBridgingCost{S},
+)::Float64 where {S<:<MOI.AbstractVectorSet}
+    if MOI.supports_added_constrained_variables(uf.model, S)
+        return MOI.get(uf.model, attr)
+    end
+    return 0.0
+end
+
+function MOI.get(
+    uf::UniversalFallback,
+    attr::MOI.ConstraintBridgingCost{F,S},
+)::Float64 where {F,S}
+    if MOI.supports_constraint(uf.model, F, S)
+        return MOI.get(uf.model, attr)
+    end
+    return 0.0
+end
+
 function MOI.get(
     uf::UniversalFallback,
     attr::MOI.AbstractConstraintAttribute,