use flexbox to wrap settings tiles correctly

new icon for different tags
ignore test files in codeclimate test

src/elements/InfoHeaderItem/InfoHeaderItem.js

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+import React from "react";
+import style from './InfoHeaderItem.module.css';
+import {FontAwesomeIcon} from "@fortawesome/react-fontawesome";
+import {Spinner} from "react-bootstrap";
+
+/**
+ * a component to display one of the short quickinfo tiles on dashboard
+ */
+class InfoHeaderItem extends React.Component {
+    render() {
+        return (
+            <div onClick={() => {
+                // call clicklistener if defined
+                if (this.props.onClick != null) this.props.onClick();
+            }} className={style.infoheaderitem} style={{backgroundColor: this.props.backColor}}>
+                <div className={style.icon}>
+                    <FontAwesomeIcon style={{
+                        verticalAlign: "middle",
+                        lineHeight: "130px"
+                    }} icon={this.props.icon} size='5x'/>
+                </div>
+                {this.props.text !== null && this.props.text !== undefined ?
+                    <>
+                        <div className={style.maintext}>{this.props.text}</div>
+                        <div className={style.subtext}>{this.props.subtext}</div>
+                    </>
+                    : <span className={style.loadAnimation}><Spinner animation='border'/></span>
+                }
+            </div>
+        );
+    }
+}
+
+export default InfoHeaderItem;

src/elements/InfoHeaderItem/InfoHeaderItem.module.css

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+/* styling for tile */
+.infoheaderitem {
+    background-color: lightblue;
+    border-radius: 5px;
+    flex: calc(25% - 10px);
+    margin: 5px;
+}
+
+/* On screens that are 1317px wide or less, go from four columns to two columns */
+@media screen and (max-width: 1317px) {
+    .infoheaderitem {
+        flex: calc(50% - 10px);
+    }
+}
+
+/* change opacity of icon when hovering whole tile */
+.infoheaderitem:hover .icon {
+    opacity: 0.75;
+    transition: opacity linear 0.4s;
+}
+
+/* change cursor on hover */
+.infoheaderitem:hover {
+    cursor: pointer;
+}
+
+.icon {
+    float: left;
+    height: 130px;
+    margin-left: 5px;
+    margin-right: 17px;
+    margin-top: 20px;
+    opacity: 0.5;
+    text-align: center;
+
+    width: 30%;
+}
+
+/* big main text in tile */
+.maintext {
+    font-size: x-large;
+    font-weight: bold;
+    margin-top: 30px;
+}
+
+/* small subtext in tile */
+.subtext {
+    font-size: large;
+    margin-top: 5px;
+    opacity: 0.7;
+}
+
+.loadAnimation {
+    display: inline-block;
+    line-height: 145px;
+    margin-left: calc(25% - 15px);
+    vertical-align: middle;
+}

src/elements/InfoHeaderItem/InfoHeaderItem.test.js

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+import {shallow} from "enzyme";
+import React from "react";
+import InfoHeaderItem from "./InfoHeaderItem";
+
+describe('<InfoHeaderItem/>', function () {
+    it('renders without crashing ', function () {
+        const wrapper = shallow(<InfoHeaderItem/>);
+        wrapper.unmount();
+    });
+
+    it('renders correct text', function () {
+        const wrapper = shallow(<InfoHeaderItem text='mytext'/>);
+        expect(wrapper.find(".maintext").text()).toBe("mytext");
+    });
+
+    it('renders correct subtext', function () {
+        const wrapper = shallow(<InfoHeaderItem text='mimi' subtext='testtext'/>);
+        expect(wrapper.find(".subtext").text()).toBe("testtext");
+    });
+
+    it('test no subtext if no text defined', function () {
+        const wrapper = shallow(<InfoHeaderItem subtext='testi'/>);
+        expect(wrapper.find(".subtext")).toHaveLength(0);
+    });
+
+    it('test custom click handler', function () {
+        const func = jest.fn();
+        const wrapper = shallow(<InfoHeaderItem onClick={() => func()}/>);
+        expect(func).toBeCalledTimes(0);
+        wrapper.simulate("click");
+        expect(func).toBeCalledTimes(1);
+    });
+
+    it('test insertion of loading spinner', function () {
+        const wrapper = shallow(<InfoHeaderItem text={null}/>);
+        expect(wrapper.find("Spinner").length).toBe(1);
+    });
+
+    it('test loading spinner if undefined', function () {
+        const wrapper = shallow(<InfoHeaderItem/>);
+        expect(wrapper.find("Spinner").length).toBe(1);
+    });
+});