adding ScatterChart2CsvConverterTest

docs/SymptomsCausedByCOVIDLots/test/ScatterChart2CsvConverterTest.js

@@ -0,0 +1,31 @@
+QUnit.module('ScatterChart2CsvConverterTest', function () {
+
+    QUnit.test('convertScatterChart2Csv', function (assert) {
+        // Given
+        const scatterChartDescr = {
+            symptomX: 'Adult failure to thrive',
+            symptomY: 'Acariasis',
+            batches: ['002A21A', '002A21B'],
+            data: [
+                {
+                    x: 2.1,
+                    y: 3.1
+                },
+                {
+                    x: 4.1,
+                    y: 5.1
+                }
+            ]
+        };
+
+        // When
+        const csv = ScatterChart2CsvConverter.convertScatterChart2Csv(scatterChartDescr);
+
+        // Then
+        const csvExpected =
+            `"Batch","PRR ratio of Batch for Adult failure to thrive","PRR ratio of Batch for Acariasis"
+"002A21A",2.1,3.1
+"002A21B",4.1,5.1`;
+        assert.equal(csv, csvExpected);
+    });
+});