Dump mode fails if project not compiled

[Domonion]

Description

Test generation fails on UTBotProject if it is not compiled.

To Reproduce

1. Run the 'X' project in IntelliJ Idea
2. Use plugin to generate tests
3. Open the generated test

Expected behavior

Works

Actual behavior

Following exception is thrown:

com.intellij.openapi.project.IndexNotReadyException: Please change caller according to com.intellij.openapi.project.IndexNotReadyException documentation
	at com.intellij.openapi.project.IndexNotReadyException.create(IndexNotReadyException.java:67)
	at com.intellij.util.indexing.FileBasedIndexImpl.handleDumbMode(FileBasedIndexImpl.java:844)
	at com.intellij.util.indexing.FileBasedIndexImpl.ensureUpToDate(FileBasedIndexImpl.java:792)
	at com.intellij.psi.stubs.StubIndexEx.getContainingIds(StubIndexEx.java:350)
	at com.intellij.psi.stubs.StubIndexEx.processElements(StubIndexEx.java:157)
	at com.intellij.psi.stubs.StubIndex.getElements(StubIndex.java:99)
	at com.intellij.psi.stubs.StubIndex.getElements(StubIndex.java:87)
	at com.intellij.psi.impl.java.stubs.index.JavaFullClassNameIndex.get(JavaFullClassNameIndex.java:34)
	at com.intellij.psi.impl.file.impl.JavaFileManagerImpl.doFindClasses(JavaFileManagerImpl.java:88)
	at com.intellij.psi.impl.file.impl.JavaFileManagerImpl.findClass(JavaFileManagerImpl.java:111)
	at com.intellij.psi.impl.PsiElementFinderImpl.findClass(PsiElementFinderImpl.java:40)
	at com.intellij.psi.impl.JavaPsiFacadeImpl.doFindClass(JavaPsiFacadeImpl.java:93)
	at com.intellij.psi.impl.JavaPsiFacadeImpl.findClass(JavaPsiFacadeImpl.java:71)
	at com.intellij.psi.impl.PsiClassImplUtil.findSpecialSuperClass(PsiClassImplUtil.java:748)
	at com.intellij.psi.impl.PsiClassImplUtil.getSuperClass(PsiClassImplUtil.java:740)
	at com.intellij.psi.impl.PsiClassImplUtil.getSupersInner(PsiClassImplUtil.java:792)
	at com.intellij.psi.impl.PsiClassImplUtil.getSupers(PsiClassImplUtil.java:752)
	at com.intellij.psi.impl.source.PsiClassImpl.getSupers(PsiClassImpl.java:215)
	at com.intellij.psi.impl.PsiClassImplUtil$MemberCache.lambda$new$1(PsiClassImplUtil.java:356)
	at com.intellij.util.containers.FilteredTraverserBase$Meta.childrenImpl(FilteredTraverserBase.java:437)
	at com.intellij.util.containers.FilteredTraverserBase$Meta.children(FilteredTraverserBase.java:423)
	at com.intellij.util.containers.FilteredTraverserBase.children(FilteredTraverserBase.java:304)
	at com.intellij.util.containers.TreeTraversal$2$1WrappedTree.fun(TreeTraversal.java:121)
	at com.intellij.util.containers.TreeTraversal$2$1WrappedTree.fun(TreeTraversal.java:108)
	at com.intellij.util.containers.TreeTraversal$P.iterable(TreeTraversal.java:805)
	at com.intellij.util.containers.TreeTraversal$P.iterator(TreeTraversal.java:799)
	at com.intellij.util.containers.TreeTraversal$BiOrderIt.nextImpl(TreeTraversal.java:540)
	at com.intellij.util.containers.JBIterator.peekNext(JBIterator.java:150)
	at com.intellij.util.containers.JBIterator.hasNext(JBIterator.java:110)
	at com.intellij.util.containers.ContainerUtil.newArrayList(ContainerUtil.java:133)
	at com.intellij.util.containers.JBIterable.toList(JBIterable.java:793)
	at com.intellij.util.containers.FilteredTraverserBase.toList(FilteredTraverserBase.java:309)
	at com.intellij.psi.impl.PsiClassImplUtil$MemberCache.<init>(PsiClassImplUtil.java:359)
	at com.intellij.psi.impl.PsiClassImplUtil.lambda$getMap$1(PsiClassImplUtil.java:194)
	at com.intellij.util.containers.ConcurrentFactoryMap$2.create(ConcurrentFactoryMap.java:174)
	at com.intellij.util.containers.ConcurrentFactoryMap.get(ConcurrentFactoryMap.java:40)
	at com.intellij.psi.impl.PsiClassImplUtil.getMap(PsiClassImplUtil.java:194)
	at com.intellij.psi.impl.PsiClassImplUtil.processCachedMembersByName(PsiClassImplUtil.java:532)
	at com.intellij.psi.impl.PsiClassImplUtil.processDeclarationsInClass(PsiClassImplUtil.java:444)
	at com.intellij.psi.impl.PsiClassImplUtil.processDeclarationsInClass(PsiClassImplUtil.java:421)
	at com.intellij.psi.impl.source.PsiClassImpl.processDeclarations(PsiClassImpl.java:479)
	at com.intellij.psi.scope.util.PsiScopesUtil.treeWalkUp(PsiScopesUtil.java:61)
	at com.intellij.psi.scope.util.PsiScopesUtil.treeWalkUp(PsiScopesUtil.java:40)
	at com.intellij.psi.scope.util.PsiScopesUtil.resolveAndWalk(PsiScopesUtil.java:207)
	at com.intellij.psi.scope.util.PsiScopesUtil.resolveAndWalk(PsiScopesUtil.java:136)
	at com.intellij.psi.impl.source.PsiJavaCodeReferenceElementImpl.resolve(PsiJavaCodeReferenceElementImpl.java:493)
	at com.intellij.psi.impl.source.PsiJavaCodeReferenceElementImpl.access$100(PsiJavaCodeReferenceElementImpl.java:44)
	at com.intellij.psi.impl.source.PsiJavaCodeReferenceElementImpl$OurGenericsResolver.resolve(PsiJavaCodeReferenceElementImpl.java:379)
	at com.intellij.psi.impl.source.PsiJavaCodeReferenceElementImpl$OurGenericsResolver.resolve(PsiJavaCodeReferenceElementImpl.java:372)
	at com.intellij.psi.impl.source.resolve.ResolveCache.lambda$resolveWithCaching$2(ResolveCache.java:184)
	at com.intellij.openapi.util.Computable.get(Computable.java:16)
	at com.intellij.psi.impl.source.resolve.ResolveCache.lambda$loggingResolver$4(ResolveCache.java:260)
	at com.intellij.openapi.util.RecursionManager$1.computePreventingRecursion(RecursionManager.java:114)
	at com.intellij.openapi.util.RecursionGuard.doPreventingRecursion(RecursionGuard.java:44)
	at com.intellij.openapi.util.RecursionManager.doPreventingRecursion(RecursionManager.java:68)
	at com.intellij.psi.impl.source.resolve.ResolveCache.resolve(ResolveCache.java:237)
	at com.intellij.psi.impl.source.resolve.ResolveCache.resolveWithCaching(ResolveCache.java:184)
	at com.intellij.psi.impl.PsiImplUtil.multiResolveImpl(PsiImplUtil.java:798)
	at com.intellij.psi.impl.source.PsiJavaCodeReferenceElementImpl.getCanonicalText(PsiJavaCodeReferenceElementImpl.java:294)
	at com.intellij.psi.impl.source.PsiJavaCodeReferenceElementImpl.getCanonicalText(PsiJavaCodeReferenceElementImpl.java:284)
	at com.intellij.psi.impl.source.PsiClassReferenceType.getText(PsiClassReferenceType.java:246)
	at com.intellij.psi.impl.source.PsiClassReferenceType.getCanonicalText(PsiClassReferenceType.java:233)
	at com.intellij.psi.PsiClassType$Stub.getCanonicalText(PsiClassType.java:352)
	at org.utbot.intellij.plugin.util.SignaturesHelperKt.signature(SignaturesHelper.kt:17)
	at org.utbot.intellij.plugin.util.SignaturesHelperKt.signature(SignaturesHelper.kt:13)
	at org.utbot.intellij.plugin.generator.UtTestsDialogProcessor.findMethodsInClassMatchingSelected(UtTestsDialogProcessor.kt:350)
	at org.utbot.intellij.plugin.generator.UtTestsDialogProcessor.access$findMethodsInClassMatchingSelected(UtTestsDialogProcessor.kt:67)
	at org.utbot.intellij.plugin.generator.UtTestsDialogProcessor$createTests$1$1$run$1$1.compute(UtTestsDialogProcessor.kt:177)
	at org.utbot.intellij.plugin.generator.UtTestsDialogProcessor$createTests$1$1$run$1$1.compute(UtTestsDialogProcessor.kt:175)
	at com.intellij.openapi.project.DumbService.lambda$runReadActionInSmartMode$0(DumbService.java:113)
	at com.intellij.openapi.project.DumbService.runReadActionInSmartMode(DumbService.java:144)
	at com.intellij.openapi.project.DumbService.runReadActionInSmartMode(DumbService.java:113)
	at org.utbot.intellij.plugin.generator.UtTestsDialogProcessor$createTests$1$1$run$1.call(UtTestsDialogProcessor.kt:175)
	at org.utbot.intellij.plugin.generator.UtTestsDialogProcessor$createTests$1$1$run$1.call(UtTestsDialogProcessor.kt:161)
	at com.intellij.openapi.application.impl.NonBlockingReadActionImpl$Submission.insideReadAction(NonBlockingReadActionImpl.java:536)
	at com.intellij.openapi.application.impl.NonBlockingReadActionImpl$Submission.lambda$attemptComputation$3(NonBlockingReadActionImpl.java:501)
	at com.intellij.openapi.application.impl.ApplicationImpl.tryRunReadAction(ApplicationImpl.java:1154)
	at com.intellij.openapi.progress.util.ProgressIndicatorUtils.lambda$runInReadActionWithWriteActionPriority$0(ProgressIndicatorUtils.java:75)
	at com.intellij.openapi.progress.util.ProgressIndicatorUtils.runActionAndCancelBeforeWrite(ProgressIndicatorUtils.java:158)
	at com.intellij.openapi.progress.util.ProgressIndicatorUtils.lambda$runWithWriteActionPriority$1(ProgressIndicatorUtils.java:115)
	at com.intellij.openapi.progress.ProgressManager.lambda$runProcess$0(ProgressManager.java:66)
	at com.intellij.openapi.progress.impl.CoreProgressManager.lambda$runProcess$2(CoreProgressManager.java:188)
	at com.intellij.openapi.progress.impl.CoreProgressManager.lambda$executeProcessUnderProgress$12(CoreProgressManager.java:608)
	at com.intellij.openapi.progress.impl.CoreProgressManager.registerIndicatorAndRun(CoreProgressManager.java:683)
	at com.intellij.openapi.progress.impl.CoreProgressManager.computeUnderProgress(CoreProgressManager.java:639)
	at com.intellij.openapi.progress.impl.CoreProgressManager.executeProcessUnderProgress(CoreProgressManager.java:607)
	at com.intellij.openapi.progress.impl.ProgressManagerImpl.executeProcessUnderProgress(ProgressManagerImpl.java:60)
	at com.intellij.openapi.progress.impl.CoreProgressManager.runProcess(CoreProgressManager.java:175)
	at com.intellij.openapi.progress.ProgressManager.runProcess(ProgressManager.java:66)
	at com.intellij.openapi.progress.util.ProgressIndicatorUtils.runWithWriteActionPriority(ProgressIndicatorUtils.java:112)
	at com.intellij.openapi.progress.util.ProgressIndicatorUtils.runInReadActionWithWriteActionPriority(ProgressIndicatorUtils.java:75)
	at com.intellij.openapi.application.impl.NonBlockingReadActionImpl$Submission.attemptComputation(NonBlockingReadActionImpl.java:501)
	at com.intellij.openapi.application.impl.NonBlockingReadActionImpl$Submission.executeSynchronously(NonBlockingReadActionImpl.java:428)
	at com.intellij.openapi.application.impl.NonBlockingReadActionImpl.executeSynchronously(NonBlockingReadActionImpl.java:186)
	at org.utbot.intellij.plugin.generator.UtTestsDialogProcessor$createTests$1$1.run(UtTestsDialogProcessor.kt:180)
	at com.intellij.openapi.progress.impl.CoreProgressManager.startTask(CoreProgressManager.java:442)
	at com.intellij.openapi.progress.impl.ProgressManagerImpl.startTask(ProgressManagerImpl.java:114)
	at com.intellij.openapi.progress.impl.CoreProgressManager.lambda$runProcessWithProgressAsynchronously$5(CoreProgressManager.java:493)
	at com.intellij.openapi.progress.impl.ProgressRunner.lambda$submit$3(ProgressRunner.java:252)
	at com.intellij.openapi.progress.impl.CoreProgressManager.lambda$runProcess$2(CoreProgressManager.java:188)
	at com.intellij.openapi.progress.impl.CoreProgressManager.lambda$executeProcessUnderProgress$12(CoreProgressManager.java:608)
	at com.intellij.openapi.progress.impl.CoreProgressManager.registerIndicatorAndRun(CoreProgressManager.java:683)
	at com.intellij.openapi.progress.impl.CoreProgressManager.computeUnderProgress(CoreProgressManager.java:639)
	at com.intellij.openapi.progress.impl.CoreProgressManager.executeProcessUnderProgress(CoreProgressManager.java:607)
	at com.intellij.openapi.progress.impl.ProgressManagerImpl.executeProcessUnderProgress(ProgressManagerImpl.java:60)
	at com.intellij.openapi.progress.impl.CoreProgressManager.runProcess(CoreProgressManager.java:175)
	at com.intellij.openapi.progress.impl.ProgressRunner.lambda$submit$4(ProgressRunner.java:252)
	at java.base/java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1768)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.util.concurrent.Executors$PrivilegedThreadFactory$1$1.run(Executors.java:702)
	at java.base/java.util.concurrent.Executors$PrivilegedThreadFactory$1$1.run(Executors.java:699)
	at java.base/java.security.AccessController.doPrivileged(AccessController.java:399)
	at java.base/java.util.concurrent.Executors$PrivilegedThreadFactory$1.run(Executors.java:699)
	at java.base/java.lang.Thread.run(Thread.java:833)
	```