Added :jvm-options-parser subproject to the javaTests task (#15957)

Adds a global new task named javaTests which groups both :logstash-core:javaTests and :jvm-options-parser:test to include the JvmOptionParser unit test in javaTests phase.

build.gradle

@@ -100,8 +100,8 @@ allprojects {
       "--add-opens=java.base/java.lang=ALL-UNNAMED",
       "--add-opens=java.base/java.util=ALL-UNNAMED"
     ]
-      //https://stackoverflow.com/questions/3963708/gradle-how-to-display-test-results-in-the-console-in-real-time
-      testLogging {
+    //https://stackoverflow.com/questions/3963708/gradle-how-to-display-test-results-in-the-console-in-real-time
+    testLogging {
       // set options for log level LIFECYCLE
       events "passed", "skipped", "failed", "standardOut"
       showExceptions true
@@ -898,6 +898,11 @@ tasks.register("extractBundledJdkVersion", ExtractBundledJdkVersion) {
     osName = selectOsType()
 }
 
+tasks.register("javaTests") {
+    dependsOn ":logstash-core:javaTests"
+    dependsOn ":jvm-options-parser:test"
+}
+
 clean {
     String jdkVersionFilename = tasks.findByName("extractBundledJdkVersion").outputFilename
     delete "${projectDir}/${jdkVersionFilename}"

tools/jvm-options-parser/src/test/java/org/logstash/launchers/JvmOptionsParserTest.java

@@ -166,4 +166,5 @@ private void verifyOptions(String message, String expected, JvmOptionsParser.Par
     private BufferedReader asReader(String s) {
         return new BufferedReader(new StringReader(s));
     }
+
 }