Add tests on types of items in java chain operations

idea/testData/debugger/sequence/psi/streams/positive/types/FewTransitions.kt

@@ -0,0 +1,10 @@
+import java.util.stream.Stream
+
+fun main(args: Array<String>) {
+<caret>  Stream.of(1, 2, 3)
+      .mapToInt { it }
+      .mapToObj({ it.toString() })
+      .mapToLong { it.toLong() }
+      .mapToDouble { it / 10.0 }
+      .count()
+}

idea/testData/debugger/sequence/psi/streams/positive/types/MapPrimitiveToPrimitive.kt

@@ -0,0 +1,5 @@
+import java.util.stream.LongStream
+
+fun main(args: Array<String>) {
+  <caret>  LongStream.of(1, 2, 3).mapToInt { it.toInt() }.count()
+}

idea/testData/debugger/sequence/psi/streams/positive/types/MapToObj.kt

@@ -0,0 +1,5 @@
+import java.util.stream.DoubleStream
+
+fun main(args: Array<String>) {
+  <caret>  DoubleStream.of(2.3, 3.4, 5.6).boxed().count()
+}

idea/testData/debugger/sequence/psi/streams/positive/types/MapToPrimitive.kt

@@ -0,0 +1,5 @@
+import java.util.stream.LongStream
+
+fun main(args: Array<String>) {
+  <caret>  LongStream.of(10, 200, 3000).mapToDouble { it * 1000.1 }.count()
+}

idea/testData/debugger/sequence/psi/streams/positive/types/MapToSame.kt

@@ -0,0 +1,5 @@
+import java.util.stream.Stream
+
+fun main(args: Array<String>) {
+  <caret> Stream.of(Any()).map({ 5 }).count()
+}

idea/testData/debugger/sequence/psi/streams/positive/types/OneCall.kt

@@ -0,0 +1,5 @@
+import java.util.stream.Stream
+
+fun main(args: Array<String>) {
+  <caret> Stream.of(1,2,3).count()
+}

idea/testData/debugger/sequence/psi/streams/positive/types/PrimitiveMapToSame.kt

@@ -0,0 +1,5 @@
+import java.util.stream.LongStream
+
+fun main(args: Array<String>) {
+  <caret>  LongStream.of(1, 2, 3).flatMap { LongStream.range(0, 10) }.count()
+}

idea/testData/debugger/sequence/psi/streams/positive/types/PrimitiveOneCall.kt

@@ -0,0 +1,5 @@
+import java.util.stream.IntStream
+
+fun main(args: Array<String>) {
+  <caret>  IntStream.of(1, 3, 4).count()
+}