Fix maxVoters check and add unit tests

cmd/web/handlers_test.go

@@ -82,7 +82,7 @@ func TestCreateElection(t *testing.T) {
 				Choices:        []string{"Gandhi", "Buddha"},
 				ExpiresAt:      time.Now().Add(24 * time.Hour),
 				AreVotersKnown: false,
-				MaxVoters:      10,
+				MaxVoters:      1000,
 				Name:           "Guy of the year",
 				Tokens:         100,
 			},
@@ -179,6 +179,19 @@ func TestCreateElection(t *testing.T) {
 			},
 			expectedCode: http.StatusUnprocessableEntity,
 		},
+		{
+			name:    "Invalid request for known voters election (max voters greater than 100)",
+			urlPath: path,
+			body: api.CreateElectionRequest{
+				Choices:        []string{"Gandhi", "Buddha", ""},
+				ExpiresAt:      time.Now().Add(24 * time.Hour),
+				AreVotersKnown: true,
+				MaxVoters:      101,
+				Name:           "Guy of the year",
+				Tokens:         100,
+			},
+			expectedCode: http.StatusUnprocessableEntity,
+		},
 	}
 
 	for _, tt := range tests {