j2k: flatten test cases and testData directory structure

Move j2k/test/tests -> j2k/tests, j2k/test/testData -> j2k/testData

j2k/testData/fileOrElement/misc/packageWithClass.java

@@ -0,0 +1,2 @@
+//file
+package test; final class C {}

j2k/testData/fileOrElement/misc/packageWithClass.kt

@@ -0,0 +1,3 @@
+package test
+
+class C

j2k/testData/fileOrElement/misc/packageWithClasses.java

@@ -0,0 +1,2 @@
+//file
+final class A {} final class B {}

j2k/testData/fileOrElement/misc/packageWithClasses.kt

@@ -0,0 +1,2 @@
+class A
+class B

j2k/testData/fileOrElement/misc/packageWithImports.java

@@ -0,0 +1,2 @@
+//file
+package test;import ast;import ast2;

j2k/testData/fileOrElement/misc/packageWithImports.kt

@@ -0,0 +1,6 @@
+// ERROR: Unresolved reference: ast2
+// ERROR: Unresolved reference: ast
+package test
+
+import ast
+import ast2

j2k/testData/fileOrElement/misc/packageWithMixedImports.java

@@ -0,0 +1,2 @@
+//file
+package test;import static ast;import ast2;

j2k/testData/fileOrElement/misc/packageWithMixedImports.kt

@@ -0,0 +1,6 @@
+// ERROR: Unresolved reference: ast2
+// ERROR: Unresolved reference: ast
+package test
+
+import ast
+import ast2

j2k/testData/fileOrElement/misc/packageWithOpenClass.java

@@ -0,0 +1,2 @@
+//file
+package test; class C {}

j2k/testData/fileOrElement/misc/packageWithOpenClass.kt

@@ -0,0 +1,3 @@
+package test
+
+class C

j2k/testData/fileOrElement/misc/packageWithStaticImports.java

@@ -0,0 +1,2 @@
+//file
+package test;import static ast;import static ast2;

j2k/testData/fileOrElement/misc/packageWithStaticImports.kt

@@ -0,0 +1,6 @@
+// ERROR: Unresolved reference: ast2
+// ERROR: Unresolved reference: ast
+package test
+
+import ast
+import ast2