diamonds: don't accept inferred types when error appeared during inference (IDEA-154619)

java/java-tests/testSrc/com/intellij/codeInsight/daemon/quickFix/ChangeMethodSignatureFromUsage8Test.java

@@ -15,7 +15,9 @@
  */
 package com.intellij.codeInsight.daemon.quickFix;
 
+import com.intellij.openapi.projectRoots.Sdk;
 import com.intellij.pom.java.LanguageLevel;
+import com.intellij.testFramework.IdeaTestUtil;
 
 public class ChangeMethodSignatureFromUsage8Test extends LightQuickFixParameterizedTestCase {
 
@@ -30,4 +32,9 @@ public class ChangeMethodSignatureFromUsage8Test extends LightQuickFixParameteri
   protected LanguageLevel getLanguageLevel() {
     return LanguageLevel.JDK_1_8;
   }
+
+  @Override
+  protected Sdk getProjectJDK() {
+    return IdeaTestUtil.getMockJdk18();
+  }
 }