Add support for USING syntax for DataSourceV2

class SourcesTest extends SparkFunSuite {
  val spark = SparkSession.builder().master("local").getOrCreate()

  test("Test CREATE TABLE ... USING - v1") {
    spark.read.format(classOf[SimpleDataSourceV1].getCanonicalName).load()
  }

  test("Test DataFrameReader - v1") {
    spark.sql(s"CREATE TABLE tableA USING ${classOf[SimpleDataSourceV1].getCanonicalName}")
  }

  test("Test CREATE TABLE ... USING - v2") {
    spark.read.format(classOf[SimpleDataSourceV2].getCanonicalName).load()
  }

  test("Test DataFrameReader - v2") {
    spark.sql(s"CREATE TABLE tableB USING ${classOf[SimpleDataSourceV2].getCanonicalName}")
  }
}

org.apache.spark.sql.sources.v2.SimpleDataSourceV2 is not a valid Spark SQL Data Source.;
org.apache.spark.sql.AnalysisException: org.apache.spark.sql.sources.v2.SimpleDataSourceV2 is not a valid Spark SQL Data Source.;
	at org.apache.spark.sql.execution.datasources.DataSource.resolveRelation(DataSource.scala:385)
	at org.apache.spark.sql.execution.command.CreateDataSourceTableCommand.run(createDataSourceTables.scala:78)
	at org.apache.spark.sql.execution.command.ExecutedCommandExec.sideEffectResult$lzycompute(commands.scala:70)
	at org.apache.spark.sql.execution.command.ExecutedCommandExec.sideEffectResult(commands.scala:68)
	at org.apache.spark.sql.execution.command.ExecutedCommandExec.executeCollect(commands.scala:79)
	at org.apache.spark.sql.Dataset$$anonfun$6.apply(Dataset.scala:190)
	at org.apache.spark.sql.Dataset$$anonfun$6.apply(Dataset.scala:190)
	at org.apache.spark.sql.Dataset$$anonfun$54.apply(Dataset.scala:3296)
	at org.apache.spark.sql.execution.SQLExecution$$anonfun$withNewExecutionId$1.apply(SQLExecution.scala:78)
	at org.apache.spark.sql.execution.SQLExecution$.withSQLConfPropagated(SQLExecution.scala:125)
	at org.apache.spark.sql.execution.SQLExecution$.withNewExecutionId(SQLExecution.scala:73)
	at org.apache.spark.sql.Dataset.withAction(Dataset.scala:3295)
	at org.apache.spark.sql.Dataset.<init>(Dataset.scala:190)
	at org.apache.spark.sql.Dataset$.ofRows(Dataset.scala:75)
	at org.apache.spark.sql.SparkSession.sql(SparkSession.scala:641)
	at org.apache.spark.sql.sources.v2.SourcesTest$$anonfun$4.apply(DataSourceV2Suite.scala:45)
	at org.apache.spark.sql.sources.v2.SourcesTest$$anonfun$4.apply(DataSourceV2Suite.scala:45)
	at org.scalatest.OutcomeOf$class.outcomeOf(OutcomeOf.scala:85)
	at org.scalatest.OutcomeOf$.outcomeOf(OutcomeOf.scala:104)
	at org.scalatest.Transformer.apply(Transformer.scala:22)
	at org.scalatest.Transformer.apply(Transformer.scala:20)
	at org.scalatest.FunSuiteLike$$anon$1.apply(FunSuiteLike.scala:186)
	at org.scalatest.TestSuite$class.withFixture(TestSuite.scala:196)
	at org.scalatest.FunSuite.withFixture(FunSuite.scala:1560)
	at org.scalatest.FunSuiteLike$class.invokeWithFixture$1(FunSuiteLike.scala:183)
	at org.scalatest.FunSuiteLike$$anonfun$runTest$1.apply(FunSuiteLike.scala:196)
	at org.scalatest.FunSuiteLike$$anonfun$runTest$1.apply(FunSuiteLike.scala:196)
	at org.scalatest.SuperEngine.runTestImpl(Engine.scala:289)
	at org.scalatest.FunSuiteLike$class.runTest(FunSuiteLike.scala:196)
	at org.scalatest.FunSuite.runTest(FunSuite.scala:1560)
	at org.scalatest.FunSuiteLike$$anonfun$runTests$1.apply(FunSuiteLike.scala:229)
	at org.scalatest.FunSuiteLike$$anonfun$runTests$1.apply(FunSuiteLike.scala:229)
	at org.scalatest.SuperEngine$$anonfun$traverseSubNodes$1$1.apply(Engine.scala:396)
	at org.scalatest.SuperEngine$$anonfun$traverseSubNodes$1$1.apply(Engine.scala:384)
	at scala.collection.immutable.List.foreach(List.scala:392)
	at org.scalatest.SuperEngine.traverseSubNodes$1(Engine.scala:384)
	at org.scalatest.SuperEngine.org$scalatest$SuperEngine$$runTestsInBranch(Engine.scala:379)
	at org.scalatest.SuperEngine.runTestsImpl(Engine.scala:461)
	at org.scalatest.FunSuiteLike$class.runTests(FunSuiteLike.scala:229)
	at org.scalatest.FunSuite.runTests(FunSuite.scala:1560)
	at org.scalatest.Suite$class.run(Suite.scala:1147)
	at org.scalatest.FunSuite.org$scalatest$FunSuiteLike$$super$run(FunSuite.scala:1560)
	at org.scalatest.FunSuiteLike$$anonfun$run$1.apply(FunSuiteLike.scala:233)
	at org.scalatest.FunSuiteLike$$anonfun$run$1.apply(FunSuiteLike.scala:233)
	at org.scalatest.SuperEngine.runImpl(Engine.scala:521)
	at org.scalatest.FunSuiteLike$class.run(FunSuiteLike.scala:233)
	at org.scalatest.FunSuite.run(FunSuite.scala:1560)
	at org.scalatest.tools.SuiteRunner.run(SuiteRunner.scala:45)
	at org.scalatest.tools.Runner$$anonfun$doRunRunRunDaDoRunRun$1.apply(Runner.scala:1340)
	at org.scalatest.tools.Runner$$anonfun$doRunRunRunDaDoRunRun$1.apply(Runner.scala:1334)
	at scala.collection.immutable.List.foreach(List.scala:392)
	at org.scalatest.tools.Runner$.doRunRunRunDaDoRunRun(Runner.scala:1334)
	at org.scalatest.tools.Runner$$anonfun$runOptionallyWithPassFailReporter$2.apply(Runner.scala:1011)
	at org.scalatest.tools.Runner$$anonfun$runOptionallyWithPassFailReporter$2.apply(Runner.scala:1010)
	at org.scalatest.tools.Runner$.withClassLoaderAndDispatchReporter(Runner.scala:1500)
	at org.scalatest.tools.Runner$.runOptionallyWithPassFailReporter(Runner.scala:1010)
	at org.scalatest.tools.Runner$.run(Runner.scala:850)
	at org.scalatest.tools.Runner.run(Runner.scala)
	at org.jetbrains.plugins.scala.testingSupport.scalaTest.ScalaTestRunner.runScalaTest2(ScalaTestRunner.java:131)
	at org.jetbrains.plugins.scala.testingSupport.scalaTest.ScalaTestRunner.main(ScalaTestRunner.java:28)