New J2K: handle static imports from Java correctly & do not ignore imports in tests

nj2k/testData/newJ2k/issues/kt-807.kt

@@ -1,7 +1,10 @@
 // ERROR: Type mismatch: inferred type is DataInputStream but InputStream! was expected
 // ERROR: Unresolved reference: close
-import java.io.*
-import java.lang.Exception
+import java.io.BufferedReader
+import java.io.DataInputStream
+import java.io.File
+import java.io.FileInputStream
+import java.io.InputStreamReader
 
 internal object FileRead {
     @JvmStatic

nj2k/testData/newJ2k/issues/spaceBeforeAssignment.kt

@@ -1,4 +1,4 @@
-import java.util.*
+import java.util.ArrayList
 
 internal class A {
     var list: List<String> = ArrayList()

nj2k/testData/newJ2k/issues/unfinishedReferenceExpression.java

@@ -1,7 +0,0 @@
-public class JavaClass {
-    public String v = "";
-    public void m(String s) {
-        s.
-        this.v.
-    }
-}

nj2k/testData/newJ2k/issues/unfinishedReferenceExpression.kt

@@ -1,7 +0,0 @@
-// ERROR: The expression cannot be a selector (occur after a dot)
-class JavaClass {
-    var v = ""
-    fun m(s: String) {
-        s.this.v.
-    }
-}