test: migrate ExecutableReferenceGenericTest to JUnit 5

[MartinWitt]

#3919

The following has changed in the code:

Junit4AnnotationsTransformation

• Replaced @Before annotation with @beforeeach from method setUp

Junit4 @test Annotation

• Replaced junit 4 test annotation with junit 5 test annotation in testReferencesBetweenConstructors
• Replaced junit 4 test annotation with junit 5 test annotation in testReferencesBetweenConstructorsInOtherClass
• Replaced junit 4 test annotation with junit 5 test annotation in testOneReferenceBetweenMethodsInSameClass
• Replaced junit 4 test annotation with junit 5 test annotation in testMultiReferenceBetweenMethodsWithGenericInSameClass
• Replaced junit 4 test annotation with junit 5 test annotation in testMultiReferencesBetweenMethodsWithoutGenericInSameClass
• Replaced junit 4 test annotation with junit 5 test annotation in testMethodWithoutReferences
• Replaced junit 4 test annotation with junit 5 test annotation in testMethodGenericWithoutReferences
• Replaced junit 4 test annotation with junit 5 test annotation in testOneReferenceWithGenericMethodOutOfTheClass
• Replaced junit 4 test annotation with junit 5 test annotation in testOneReferenceWithMethodNotGenericOutOfTheClass
• Replaced junit 4 test annotation with junit 5 test annotation in testMultiReferenceWithGenericMethodOutOfTheClass
• Replaced junit 4 test annotation with junit 5 test annotation in testReferencesBetweenMethods
• Replaced junit 4 test annotation with junit 5 test annotation in testExecutableReferences

AssertionsTransformation

• Transformed junit4 assert to junit 5 assertion in testReferencesBetweenConstructors
• Transformed junit4 assert to junit 5 assertion in testReferencesBetweenConstructorsInOtherClass
• Transformed junit4 assert to junit 5 assertion in testOneReferenceBetweenMethodsInSameClass
• Transformed junit4 assert to junit 5 assertion in testMultiReferenceBetweenMethodsWithGenericInSameClass
• Transformed junit4 assert to junit 5 assertion in testMultiReferencesBetweenMethodsWithoutGenericInSameClass
• Transformed junit4 assert to junit 5 assertion in testMethodWithoutReferences
• Transformed junit4 assert to junit 5 assertion in testMethodGenericWithoutReferences
• Transformed junit4 assert to junit 5 assertion in testOneReferenceWithGenericMethodOutOfTheClass
• Transformed junit4 assert to junit 5 assertion in testOneReferenceWithMethodNotGenericOutOfTheClass
• Transformed junit4 assert to junit 5 assertion in testMultiReferenceWithGenericMethodOutOfTheClass
• Transformed junit4 assert to junit 5 assertion in testReferencesBetweenMethods
• Transformed junit4 assert to junit 5 assertion in testExecutableReferences