First set o' unmount() calls.

docker-compose.yml

@@ -51,7 +51,7 @@ services:
      - ./docker_volumes/rabbit:/farmbot
   webpack:     # ====================
     <<: *base_config
-    image: node:8.12.0-alpine
+    image: node:8.12.0
     working_dir: /farmbot
     command: ./node_modules/.bin/webpack-dev-server --config config/webpack.config.js
     volumes:

webpack/__tests__/app_test.tsx

@@ -64,6 +64,7 @@ describe("<App />: Loading", () => {
   it("MUST_LOADs not loaded", () => {
     const wrapper = mount(<App {...fakeProps()} />);
     expect(wrapper.text()).toContain("Loading...");
+    wrapper.unmount();
   });
 
   it("MUST_LOADs partially loaded", () => {
@@ -71,6 +72,7 @@ describe("<App />: Loading", () => {
     p.loaded = ["Sequence"];
     const wrapper = mount(<App {...p} />);
     expect(wrapper.text()).toContain("Loading...");
+    wrapper.unmount();
   });
 
   it("MUST_LOADs loaded", () => {
@@ -78,6 +80,7 @@ describe("<App />: Loading", () => {
     p.loaded = ["Sequence", "Regimen", "FarmEvent", "Point"];
     const wrapper = mount(<App {...p} />);
     expect(wrapper.text()).not.toContain("Loading...");
+    wrapper.unmount();
   });
 });
 
@@ -86,10 +89,12 @@ describe("<App />: NavBar", () => {
     const wrapper = mount(<App {...fakeProps()} />);
     expect(wrapper.text())
       .toContain("Farm DesignerControlsDeviceSequencesRegimensToolsFarmware");
+    wrapper.unmount();
   });
 
   it("displays ticker", () => {
     const wrapper = mount(<App {...fakeProps()} />);
     expect(wrapper.text()).toContain("No logs yet.");
+    wrapper.unmount();
   });
 });

webpack/__tests__/controls_popup_test.tsx

@@ -29,6 +29,8 @@ describe("<ControlsPopup />", () => {
   p.axisInversion.x = true;
   const wrapper = mount(<ControlsPopup {...p} />);
 
+  afterAll(wrapper.unmount);
+
   it("Has a false initial state", () => {
     expect(wrapper.state("isOpen")).toBeFalsy();
   });

webpack/__tests__/crash_page_test.tsx

@@ -31,5 +31,7 @@ describe("<CrashPage/>", () => {
     jest.resetAllMocks();
     el.find("a").first().simulate("click");
     expect(Session.clear).toHaveBeenCalled();
+    el.unmount();
+
   });
 });

webpack/__tests__/link_test.tsx

@@ -38,5 +38,6 @@ describe("<Link/>", () => {
     function Child(_: unknown) { return <p>Hey!</p>; }
     const el = shallow(<Link to="/wherever"><Child /></Link>);
     expect(el.html()).toContain("Hey!");
+    el.unmount();
   });
 });

webpack/__tests__/loading_plant_test.tsx

@@ -9,6 +9,7 @@ describe("<LoadingPlant/>", () => {
     expect(wrapper.find(".loading-plant-text").props().y).toEqual(150);
     expect(wrapper.text()).toContain("Loading");
     expect(wrapper.find(".animate").length).toEqual(0);
+    wrapper.unmount();
   });
 
   it("renders loading animation", () => {
@@ -21,5 +22,6 @@ describe("<LoadingPlant/>", () => {
     expect(wrapper.find(".loading-plant-text").props().y).toEqual(435);
     expect(wrapper.text()).toContain("Loading");
     expect(wrapper.find(".animate").length).toEqual(1);
+    wrapper.unmount();
   });
 });

webpack/__tests__/routes_test.tsx

@@ -30,14 +30,16 @@ describe("<RootComponent />", () => {
   it("clears session when not authorized", () => {
     mockAuth = undefined;
     mockPathname = "/app/account";
-    shallow(<RootComponent store={store} />);
+    const wrapper = shallow(<RootComponent store={store} />);
     expect(Session.clear).toHaveBeenCalled();
+    wrapper.unmount();
   });
 
   it("authorized", () => {
     mockAuth = auth;
     mockPathname = "/app/account";
-    shallow(<RootComponent store={store} />);
+    const wrapper = shallow(<RootComponent store={store} />);
     expect(Session.clear).not.toHaveBeenCalled();
+    wrapper.unmount();
   });
 });