EnhancedSwitchBackwardMigration: do not generate break if cannot may complete normally: IDEA-205607

java/java-tests/testData/inspection/switchExpressionBackwardMigration/afterSwitchStatements3.java

@@ -0,0 +1,16 @@
+// "Replace with old style 'switch' statement" "true"
+import java.util.*;
+
+class X {
+  boolean x(int i) {
+    boolean b;
+      switch (i) {
+          case 2:
+              throw null;
+          default:
+              b = true;
+              break;
+      }
+    return b;
+  }
+}

java/java-tests/testData/inspection/switchExpressionBackwardMigration/beforeSwitchStatements3.java

@@ -0,0 +1,13 @@
+// "Replace with old style 'switch' statement" "true"
+import java.util.*;
+
+class X {
+  boolean x(int i) {
+    boolean b;
+    switch<caret> (i) {
+      case 2 -> throw null;
+      default -> b = true;
+    }
+    return b;
+  }
+}