Integration Test produces Error

When I create a skeleton plugin, then I write a skeleton Integration test extending JIRAWebTest. Then I override setUp() then call super.setUp(). Then I include a test that does nothing. (I also have a fully developed plugin that works on a standalone both 3.11 and 3.13 and get the same error).
And I get an error as follows:

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Test set: it.AdminInstanceActionTest
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Tests run: 1, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 0.235 sec <<< FAILURE!
testThis(it.AdminInstanceActionTest) Time elapsed: 0.094 sec <<< FAILURE!
junit.framework.AssertionFailedError: No form present
at junit.framework.Assert.fail(Assert.java:47)
at junit.framework.Assert.assertTrue(Assert.java:20)
at net.sourceforge.jwebunit.WebTester.assertFormPresent(WebTester.java:353)
at net.sourceforge.jwebunit.WebTester.setFormElement(WebTester.java:787)
at net.sourceforge.jwebunit.WebTestCase.setFormElement(WebTestCase.java:317)
at com.atlassian.jira.webtests.JIRAWebTest.setupJIRAstep1(JIRAWebTest.java:580)
at com.atlassian.jira.webtests.JIRAWebTest.setupJIRA(JIRAWebTest.java:488)
at com.atlassian.jira.webtests.JIRAWebTest.init(JIRAWebTest.java:463)
at com.atlassian.jira.webtests.JIRAWebTest.setUp(JIRAWebTest.java:447)
at it.AdminInstanceActionTest.setUp(AdminInstanceActionTest.java:29)
at junit.framework.TestCase.runBare(TestCase.java:125)
at junit.framework.TestResult$1.protect(TestResult.java:106)
at junit.framework.TestResult.runProtected(TestResult.java:124)
at junit.framework.TestResult.run(TestResult.java:109)
at junit.framework.TestCase.run(TestCase.java:118)
at junit.framework.TestSuite.runTest(TestSuite.java:208)
at junit.framework.TestSuite.run(TestSuite.java:203)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.maven.surefire.junit.JUnitTestSet.execute(JUnitTestSet.java:213)
at org.apache.maven.surefire.suite.AbstractDirectoryTestSuite.executeTestSet(AbstractDirectoryTestSuite.java:138)
at org.apache.maven.surefire.suite.AbstractDirectoryTestSuite.execute(AbstractDirectoryTestSuite.java:125)
at org.apache.maven.surefire.Surefire.run(Surefire.java:132)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.maven.surefire.booter.SurefireBooter.runSuitesInProcess(SurefireBooter.java:290)
at org.apache.maven.surefire.booter.SurefireBooter.main(SurefireBooter.java:818)
at org.apache.maven.surefire.booter.SurefireBooter.main(SurefireBooter.java:818)