Set default warm up to 10000 for JTReg tests

Author: erifan

test/hotspot/jtreg/compiler/vectorapi/VectorMaskCastIdentityTest.java

@@ -117,7 +117,8 @@ public static void testOneCastToDifferentType_runner() {
 
     public static void main(String[] args) {
         TestFramework testFramework = new TestFramework();
-        testFramework.addFlags("--add-modules=jdk.incubator.vector")
+        testFramework.setDefaultWarmup(10000)
+                     .addFlags("--add-modules=jdk.incubator.vector")
                      .start();
     }
 }

test/hotspot/jtreg/compiler/vectorapi/VectorMaskFromLongTest.java

@@ -263,7 +263,8 @@ public static void testMaskFromLongDouble() {
 
     public static void main(String[] args) {
         TestFramework testFramework = new TestFramework();
-        testFramework.addFlags("--add-modules=jdk.incubator.vector")
+        testFramework.setDefaultWarmup(10000)
+                     .addFlags("--add-modules=jdk.incubator.vector")
                      .start();
     }
 }

test/hotspot/jtreg/compiler/vectorapi/VectorMaskToLongTest.java

@@ -256,7 +256,8 @@ public static void testFromLongToLongDouble() {
 
     public static void main(String[] args) {
         TestFramework testFramework = new TestFramework();
-        testFramework.addFlags("--add-modules=jdk.incubator.vector")
+        testFramework.setDefaultWarmup(10000)
+                     .addFlags("--add-modules=jdk.incubator.vector")
                      .start();
     }
 }