docs: update the contents of result.xml in README

Author: kenichiice

README.ja.md

@@ -33,15 +33,13 @@ $ ruby test.rb --runner=junitxml --junitxml-output-file=result.xml
 $ cat result.xml
 <?xml version="1.0" encoding="UTF-8" ?>
 <testsuites>
-	<testsuite name="MyTest" tests="1" errors="0" failures="1" skipped="0" time="0.0047083">
-		<testcase classname="MyTest" name="test_1(MyTest)" time="0.0046712" assertions="1">
+	<testsuite name="MyTest" tests="1" errors="0" failures="1" skipped="0" time="0.005365">
+		<testcase classname="MyTest" name="test_1(MyTest)" time="0.0053308" assertions="1">
 			<failure message="&lt;1&gt; expected but was
-&lt;2&gt;.">
-Failure:
+&lt;2&gt;.">Failure:
 test_1(MyTest) [test.rb:7]:
 &lt;1&gt; expected but was
-&lt;2&gt;.
-			</failure>
+&lt;2&gt;.</failure>
 			<system-out>hello</system-out>
 		</testcase>
 	</testsuite>

README.md

@@ -33,15 +33,13 @@ $ ruby test.rb --runner=junitxml --junitxml-output-file=result.xml
 $ cat result.xml
 <?xml version="1.0" encoding="UTF-8" ?>
 <testsuites>
-	<testsuite name="MyTest" tests="1" errors="0" failures="1" skipped="0" time="0.0047083">
-		<testcase classname="MyTest" name="test_1(MyTest)" time="0.0046712" assertions="1">
+	<testsuite name="MyTest" tests="1" errors="0" failures="1" skipped="0" time="0.005365">
+		<testcase classname="MyTest" name="test_1(MyTest)" time="0.0053308" assertions="1">
 			<failure message="&lt;1&gt; expected but was
-&lt;2&gt;.">
-Failure:
+&lt;2&gt;.">Failure:
 test_1(MyTest) [test.rb:7]:
 &lt;1&gt; expected but was
-&lt;2&gt;.
-			</failure>
+&lt;2&gt;.</failure>
 			<system-out>hello</system-out>
 		</testcase>
 	</testsuite>