Appropriate name for tests

Author: MasseGuillaume

scalafix-tests/src/test/scala/fix/Collectionstrawman_Tests.scala renamed to scalafix-tests/src/test/scala/fix/ScalafixTests.scala

@@ -4,7 +4,7 @@ import scala.meta._
 import scalafix.testkit._
 import scalafix._
 
-class Collectionstrawman_Tests
+class ScalafixTests
   extends SemanticRuleSuite(
     SemanticdbIndex.load(Classpath(AbsolutePath(BuildInfo.inputClassdirectory))),
     AbsolutePath(BuildInfo.inputSourceroot),