Adding tests to verify completion behavior for imports.hx (#1230)

Author: m0rkeulv

src/test/java/com/intellij/plugins/haxe/lang/completion/ReferenceCompletionTest.java

@@ -348,6 +348,12 @@ public void testImportGenericSubType() throws Throwable {
     doTestVariantsInner("ImportGenericSubType.txt");
   }
 
+  @Test
+  public void testImportHxFile() throws Throwable {
+    myFixture.configureByFiles("ImportHxFile.hx", "Import.hx", "com/util/MathUtil.hx");
+    doTestVariantsInner("ImportHxFile.txt");
+  }
+
   @Test
   public void testNullTypedef() throws Throwable {
     myFixture.configureByFiles("NullTypedef.hx", "std/StdTypes.hx", "std/String.hx");

src/test/resources/testData/completion/references/Import.hx

@@ -0,0 +1 @@
+import com.util.MathUtil;

src/test/resources/testData/completion/references/ImportHxFile.hx

@@ -0,0 +1,6 @@
+package ;
+class usingImportHxFile {
+  function foo(){
+    MathUtil.<caret>;
+  }
+}

src/test/resources/testData/completion/references/ImportHxFile.txt

@@ -0,0 +1,6 @@
+BASIC 1 INCLUDES
+abs
+abs2
+AbsHelper
+abs(n:Int):Int
+abs2(n:Int):Int