! F added better help message

approvaltests-tests/src/test/java/org/approvaltests/ApprovalsDuplicateVerifyExceptionTest.java

@@ -0,0 +1,13 @@
+package org.approvaltests;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class ApprovalsDuplicateVerifyExceptionTest {
+
+    @Test
+    void testExceptionMessage() {
+        Approvals.verify(new ApprovalsDuplicateVerifyException("file.txt"));
+    }
+}

approvaltests-tests/src/test/java/org/approvaltests/ApprovalsDuplicateVerifyExceptionTest.testExceptionMessage.approved.txt

@@ -0,0 +1,11 @@
+org.approvaltests.ApprovalsDuplicateVerifyException: Already approved: file.txt
+By default, ApprovalTests only allows one verify() call per test.
+To find out more, visit: 
+https://github.com/approvals/ApprovalTests.Java/blob/master/approvaltests/docs/reference/Naming.md
+
+# Fixes
+1. separate your test into two tests
+2. add NamedParameters with the NamerFactory
+3. Override Approvals.settings() with either 
+	a. allowMultipleVerifyCallsForThisClass
+	b. allowMultipleVerifyCallsForThisMethod

approvaltests/src/main/java/org/approvaltests/ApprovalsDuplicateVerifyException.java

@@ -6,6 +6,12 @@ public ApprovalsDuplicateVerifyException(String file)
   {
     super("Already approved: " + file + "\n"
         + "By default, ApprovalTests only allows one verify() call per test.\n" + "To find out more, visit: \n"
-        + "https://github.com/approvals/ApprovalTests.Java/blob/master/approvaltests/docs/reference/Naming.md");
+        + "https://github.com/approvals/ApprovalTests.Java/blob/master/approvaltests/docs/reference/Naming.md\n\n" +
+          "# Fixes\n" +
+          "1. separate your test into two tests\n" +
+          "2. add NamedParameters with the NamerFactory\n" +
+          "3. Override Approvals.settings() with either \n" +
+          "\ta. allowMultipleVerifyCallsForThisClass\n" +
+          "\tb. allowMultipleVerifyCallsForThisMethod");
   }
 }