diff --git a/.gitignore b/.gitignore
index 84de0b9..5927951 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,5 +5,5 @@ Cargo.lock
 # Pycharm
 /.idea
 
-pkg/*
+/pkg
 wasm-pack.log
\ No newline at end of file
diff --git a/Cargo.toml b/Cargo.toml
index a2c0d06..e3c4e1b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,9 +10,10 @@ crate-type = ["cdylib"]
 
 
 [dependencies]
-seed = "^0.3.2"
+seed = "^0.3.3"
 wasm-bindgen = "^0.2.42"
 web-sys = "^0.3.19"
 
 # For serialization, eg sending requests to a server. Otherwise, not required.
 serde = { version = "^1.0.85", features = ['derive'] }
+futures = "^0.1.26"
diff --git a/Makefile.toml b/Makefile.toml
index 4718478..3799dc5 100644
--- a/Makefile.toml
+++ b/Makefile.toml
@@ -16,7 +16,6 @@ workspace = false
 command = "cargo"
 args = ["build", "--release"]
 
-
 [tasks.create_wasms]
 description = "Build with wasm-pack"
 workspace = false
@@ -40,6 +39,32 @@ workspace = false
 command = "microserver"
 args = ["--port", "${PORT}"]
 
+# ---- TEST ----
+
+[tasks.test]
+description = "Run tests. Ex: 'cargo make test firefox'. Test envs: [chrome, firefox, safari]"
+clear = true
+workspace = false
+install_crate = { crate_name = "wasm-pack", binary = "wasm-pack", test_arg = "-V" }
+command = "wasm-pack"
+args = ["test", "--${@}"]
+
+[tasks.test_release]
+extend = "test"
+description = "Run tests in release mode. Ex: 'cargo make test firefox'. Test envs: [chrome, firefox, safari]"
+args = ["test", "--${@}", "--release"]
+
+[tasks.test_h]
+description = "Run headless tests. Ex: 'cargo make test_h firefox'. Test envs: [chrome, firefox, safari]"
+extend = "test"
+args = ["test", "--headless", "--${@}"]
+
+[tasks.test_h_release]
+extend = "test_h"
+description = "Run headless tests in release mode. Ex: 'cargo make test_h firefox'. Test envs: [chrome, firefox, safari]"
+args = ["test", "--headless", "--${@}", "--release"]
+
+
 # ---- PRIVATE TASKS - run only inside another task ----
 # private atribute is ignored (bug?)
 
diff --git a/README.md b/README.md
index c4b0f41..dccbfff 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@
 
 `rustup target add wasm32-unknown-unknown`
 
-`cargo install cargo-make`
+`cargo install --force cargo-make`
 
 Run `cargo make all` in a terminal to build the app, and `cargo make serve` to start a dev server
 on `127.0.0.0:8000`.