Split empty rules test snapshot into multiple files

tests/__snapshots__/empty-rules/combined/basic.snapshot

@@ -0,0 +1,27 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`[[Mode: combined]] Empty Rules Tests:  Basic 1`] = `
+".test1 {}
+
+.test2, .test3 {}
+
+[dir="ltr"] .test4 {
+    text-align: left;
+}
+
+[dir="rtl"] .test4 {
+    text-align: right;
+}
+
+.test5 {
+    color: red;
+}
+
+[dir="ltr"] .test5 {
+    padding-left: 20px;
+}
+
+[dir="rtl"] .test5 {
+    padding-right: 20px;
+}"
+`;

tests/__snapshots__/empty-rules/diff/basic.snapshot

@@ -0,0 +1,12 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`[[Mode: diff]] Empty Rules Tests:  Basic 1`] = `
+".test4 {
+    text-align: right;
+}
+
+.test5 {
+    padding-left: 0;
+    padding-right: 20px;
+}"
+`;

tests/__snapshots__/empty-rules/override/basic.snapshot

@@ -0,0 +1,25 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`[[Mode: override]] Empty Rules Tests:  Basic 1`] = `
+".test1 {}
+
+.test2, .test3 {}
+
+.test4 {
+    text-align: left;
+}
+
+[dir="rtl"] .test4 {
+    text-align: right;
+}
+
+.test5 {
+    color: red;
+    padding-left: 20px;
+}
+
+[dir="rtl"] .test5 {
+    padding-left: 0;
+    padding-right: 20px;
+}"
+`;

tests/empty-rules.test.ts

@@ -1,7 +1,14 @@
 import postcss from 'postcss';
 import postcssRTLCSS from '../src';
 import { PluginOptions } from '../src/@types';
-import { readCSSFile, runTests } from './utils';
+import {
+    readCSSFile,
+    runTests,
+    createSnapshotFileName
+} from './utils';
+import 'jest-specific-snapshot';
+
+const BASE_NAME = 'empty-rules';
 
 runTests({}, (pluginOptions: PluginOptions): void => {
     describe(`[[Mode: ${pluginOptions.mode}]] Empty Rules Tests: `, () => {
@@ -14,7 +21,9 @@ runTests({}, (pluginOptions: PluginOptions): void => {
         it('Basic', (): void => {
             const options: PluginOptions = { ...pluginOptions };
             const output = postcss([postcssRTLCSS(options)]).process(input);
-            expect(output.css).toMatchSnapshot();
+            expect(output.css).toMatchSpecificSnapshot(
+                createSnapshotFileName(BASE_NAME,'basic', pluginOptions.mode)
+            );
             expect(output.warnings()).toHaveLength(0);
           });
     });