Let the user know the arity of a missing method in the error message.

test/method/not_found.wren

@@ -1,3 +1,3 @@
 class Foo {}
 
-(new Foo).someUnknownMethod // expect runtime error: Foo does not implement method 'someUnknownMethod'.
+(new Foo).someUnknownMethod // expect runtime error: Foo does not implement method 'someUnknownMethod' with 0 arguments.

test/method/not_found_eleven_arguments.wren

@@ -0,0 +1,3 @@
+class Foo {}
+
+(new Foo).someUnknownMethod(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11) // expect runtime error: Foo does not implement method 'someUnknownMethod' with 11 arguments.

test/method/not_found_multiple_arguments.wren

@@ -0,0 +1,3 @@
+class Foo {}
+
+(new Foo).someUnknownMethod(1, 2) // expect runtime error: Foo does not implement method 'someUnknownMethod' with 2 arguments.

test/method/not_found_one_argument.wren

@@ -0,0 +1,3 @@
+class Foo {}
+
+(new Foo).someUnknownMethod(1) // expect runtime error: Foo does not implement method 'someUnknownMethod' with 1 argument.

test/method/static_method_not_found.wren

@@ -1,3 +1,3 @@
 class Foo {}
 
-Foo.bar // expect runtime error: Foo metaclass does not implement method 'bar'.
+Foo.bar // expect runtime error: Foo metaclass does not implement method 'bar' with 0 arguments.