8272552: mark hotspot runtime/cds tests which ignore external VM flags

Reviewed-by: mdoerr
Backport-of: 989f39f8106a22498053a4ca5f2becf8df5f2420

Author: Amos Shi

test/hotspot/jtreg/runtime/SharedArchiveFile/MaxMetaspaceSize.java

@@ -24,6 +24,7 @@
 /**
  * @test
  * @requires vm.cds
+ * @requires vm.flagless
  * @bug 8067187 8200078
  * @summary Testing CDS dumping with the -XX:MaxMetaspaceSize=<size> option
  * @library /test/lib

test/hotspot/jtreg/runtime/SharedArchiveFile/SharedStrings.java

@@ -26,6 +26,7 @@
  * @summary Check to make sure that shared strings in the bootstrap CDS archive
  *          are actually shared
  * @requires vm.cds.archived.java.heap
+ * @requires vm.flagless
  * @library /test/lib
  * @modules java.base/jdk.internal.misc
  *          java.management

test/hotspot/jtreg/runtime/appcds/MoveJDKTest.java

@@ -27,6 +27,7 @@
  * @summary Test that CDS still works when the JDK is moved to a new directory
  * @bug 8272345
  * @requires vm.cds
+ * @requires vm.flagless
  * @comment This test doesn't work on Windows because it depends on symlinks
  * @requires os.family != "windows"
  * @library /test/lib

test/hotspot/jtreg/runtime/appcds/cacheObject/ArchivedModuleWithCustomImageTest.java

@@ -25,6 +25,7 @@
  * @test
  * @summary Test archived module graph with custom runtime image
  * @requires vm.cds.archived.java.heap
+ * @requires vm.flagless
  * @library /test/jdk/lib/testlibrary /test/lib /test/hotspot/jtreg/runtime/appcds
  * @modules java.base/jdk.internal.module
  *          java.management