Add tests for the exceptions: 'Input and witness provided' and 'Non push-only scriptSig'

Author: motorina0

test/fixtures/p2sh.json

@@ -323,6 +323,26 @@
         }
       }
     },
+    {
+      "exception": "Input and witness provided",
+      "arguments": {
+        "redeem": {
+          "input": "OP_0",
+          "witness": [
+            "030000000000000000000000000000000000000000000000000000000000000001"
+          ]
+        }
+      }
+    },
+    {
+      "exception": "Non push-only scriptSig",
+      "arguments": {
+        "redeem": {
+          "input": "OP_RETURN",
+          "output": "OP_1"
+        }
+      }
+    },
     {
       "exception": "Redeem.output too short",
       "arguments": {