The test explicitly configures a GC after JDK-8378110, which doesn't play well when selecting another GC. We should likely move the requirement to a @requires statement instead. E.g., running the test with JTREG="JAVA_OPTIONS=-XX:+UseSerialGC" doesn't work.

/*
 * @test
 * @bug 8378110
 * @summary RuntimeMXBean.getInputArguments() handling of flags from settings file.
 *
 * @run driver InputArgument generateFlagsFile
 * @run main/othervm -XX:+UseFastJNIAccessors -XX:Flags=InputArgument.flags InputArgument
 * -XX:+UseFastJNIAccessors -XX:-UseG1GC -XX:+UseParallelGC -XX:MaxHeapSize=100M
 */

Error occurred during initialization of VM
Multiple garbage collectors selected