8203820: [TESTBUG] vmTestbase/metaspace/staticReferences/StaticReferences.java timed out
Summary: Moved InMemoryJavaCompiler out of loops or reduced loops with InMemoryJavaCompiler
Reviewed-by: vromero, jiangli
8206241: compiler/graalunit/PhasesCommonTest.java fails with java.lang.Error: TESTBUG: no tests found for prefix org.graalvm.compiler.phases.common.test
Reviewed-by: kvn