[tests] prepares Java tests for the language level raise

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/graphInference/ChainedInference.java

@@ -21,6 +21,6 @@ class Main {
 
 
     public interface Fun<T, R> {
-        public R _(T t);
+        public R f(T t);
     }
-} 
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/graphInference/ChainedInference1.java

@@ -9,6 +9,6 @@ class Main  {
     }
 
     interface Fun<T, R> {
-        R _(T t);
+        R f(T t);
     }
 }

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/graphInference/ChainedInferenceTypeParamsOrderIndependent.java

@@ -20,7 +20,7 @@ class Main {
     }
 
     interface Fun<T, R> {
-        R _(T t);
+        R f(T t);
     }
 }
 

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/graphInference/DefaultConstructorAsArgument.java

@@ -9,12 +9,12 @@ class Main2  {
     }
 
     interface Fun<T, R> {
-        R _(T t);
+        R f(T t);
     }
-    
+
     class Foo<K> implements Fun<K, Integer> {
         @Override
-        public Integer _(K k) {
+        public Integer f(K k) {
             return null;
         }
     }

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/graphInference/InferenceFromSiblings.java

@@ -19,6 +19,6 @@ class Main {
     }
 
     interface Fun<T, R> {
-        R _(T t);
+        R f(T t);
     }
 }