add inverted Network mismatch tests

test/fixtures/p2sh.json

@@ -325,6 +325,24 @@
         }
       }
     },
+    {
+      "exception": "Network mismatch",
+      "arguments": {
+        "network": "bitcoin",
+        "redeem": {
+          "network": "testnet"
+        }
+      }
+    },
+    {
+      "exception": "Network mismatch",
+      "arguments": {
+        "network": "testnet",
+        "redeem": {
+          "network": "bitcoin"
+        }
+      }
+    },
     {
       "exception": "Empty input",
       "arguments": {

test/fixtures/p2wsh.json

@@ -306,6 +306,15 @@
         }
       }
     },
+    {
+      "exception": "Network mismatch",
+      "arguments": {
+        "network": "testnet",
+        "redeem": {
+          "network": "bitcoin"
+        }
+      }
+    },
     {
       "exception": "Invalid prefix or Network mismatch",
       "arguments": {