Fixed occasional insertions of fq-names by completion and similar effects

#KT-6182 Fixed
 #KT-6111 Fixed

generators/src/org/jetbrains/jet/generators/tests/GenerateTests.kt

@@ -137,6 +137,7 @@ import org.jetbrains.jet.plugin.debugger.evaluate.AbstractCodeFragmentCompletion
 import org.jetbrains.jet.plugin.coverage.AbstractKotlinCoverageOutputFilesTest
 import org.jetbrains.k2js.test.semantics.AbstractDynamicTest
 import org.jetbrains.k2js.test.semantics.AbstractMultiModuleTest
+import org.jetbrains.jet.completion.handlers.AbstractBasicCompletionHandlerTest
 
 fun main(args: Array<String>) {
     System.setProperty("java.awt.headless", "true")
@@ -367,6 +368,10 @@ fun main(args: Array<String>) {
             model("completion/basic/custom", recursive = false)
         }
 
+        testClass(javaClass<AbstractBasicCompletionHandlerTest>()) {
+            model("completion/handlers/basic")
+        }
+
         testClass(javaClass<AbstractSmartCompletionHandlerTest>()) {
             model("completion/handlers/smart")
         }