Create Grid component + Test. Index test adaptations

components/Grid.vue

@@ -0,0 +1,19 @@
+<template>
+  <div class="grid">
+    {{ dataSource }}
+  </div>
+</template>
+
+<script>
+export default {
+  name: "Grid",
+  props: {
+    dataSource: {
+      type: Array,
+      required: true
+    }
+  }
+};
+</script>
+
+<style></style>