Fix scala-js/scala-js#2375: Move Node and Phantom CustomInitFilesTest to jsEnvTestSuite.

Author: nicolasstucki

js-envs-test-kit/src/main/scala/org/scalajs/jsenv/test/CustomInitFilesTest.scala

@@ -1,8 +1,5 @@
 package org.scalajs.jsenv.test
 
-import org.scalajs.jsenv.nodejs.NodeJSEnv
-import org.scalajs.jsenv.phantomjs.PhantomJSEnv
-
 import org.scalajs.core.tools.io._
 
 import org.junit.Test
@@ -25,15 +22,3 @@ abstract class CustomInitFilesTest extends JSEnvTest {
        |""".stripMargin
   }
 }
-
-class NodeJSWithCustomInitFilesTest extends CustomInitFilesTest {
-  protected def newJSEnv: NodeJSEnv = new NodeJSEnv {
-    override def customInitFiles() = makeCustomInitFiles()
-  }
-}
-
-class PhantomJSWithCustomInitFilesTest extends CustomInitFilesTest {
-  protected def newJSEnv: PhantomJSEnv = new PhantomJSEnv {
-    override def customInitFiles() = makeCustomInitFiles()
-  }
-}

js-envs-test-suite/src/test/scala/org/scalajs/jsenv/test/NodeJSWithCustomInitFilesTest.scala

@@ -0,0 +1,9 @@
+package org.scalajs.jsenv.test
+
+import org.scalajs.jsenv.nodejs.NodeJSEnv
+
+class NodeJSWithCustomInitFilesTest extends CustomInitFilesTest {
+  protected def newJSEnv: NodeJSEnv = new NodeJSEnv {
+    override def customInitFiles() = makeCustomInitFiles()
+  }
+}