Automated tests for index consistency

[michelole]

• There should be enough documents
• There should be extra documents (2018/2017)
• There should be recent documents (2019)
• There should be special fields (e.g. genes) and there should be content for known documents
• Integration test: results should not be lower than previous year

[michelole]

Also check for docs only in 2018, but not 2019 data:

1    Q0    27543582    217    75.475044    jlpmcommon2
10    Q0    27772899    259    72.160332    jlpmcommon2
11    Q0    27556360    971    -101.833061    jlpmcommon2
18    Q0    27577079    205    57.863907    jlpmcommon2
19    Q0    27556359    244    49.726044    jlpmcommon2
22    Q0    27556359    328    53.978851    jlpmcommon2
22    Q0    27286264    417    50.942806    jlpmcommon2
23    Q0    27260160    465    -108.337112    jlpmcommon2
25    Q0    27772866    690    44.923943    jlpmcommon2
25    Q0    27462917    855    39.340820    jlpmcommon2
29    Q0    27450290    546    -101.107712    jlpmcommon2
29    Q0    27399421    744    -104.727676    jlpmcommon2
31    Q0    27472389    110    -94.945114    jlpmcommon2
38    Q0    27798096    640    54.518562    jlpmcommon2
1    Q0    27543582    227    4.108284    jlpmletor
10    Q0    27772899    264    -2.563936    jlpmletor
11    Q0    27556360    974    -3.061529    jlpmletor
18    Q0    27577079    214    2.596961    jlpmletor
19    Q0    27556359    250    -1.865318    jlpmletor
22    Q0    27556359    336    0.758485    jlpmletor
22    Q0    27286264    428    0.820413    jlpmletor
23    Q0    27260160    533    -1.942548    jlpmletor
25    Q0    27772866    705    -2.563936    jlpmletor
25    Q0    27462917    865    2.770408    jlpmletor
29    Q0    27450290    568    -2.108548    jlpmletor
29    Q0    27399421    764    2.072708    jlpmletor
31    Q0    27472389    110    2.029871    jlpmletor
38    Q0    27798096    642    2.993167    jlpmletor
1    Q0    27543582    227    -0.126274    jlpmltrin
10    Q0    27772899    264    -0.126274    jlpmltrin
11    Q0    27556360    974    -0.126274    jlpmltrin
18    Q0    27577079    214    -0.126274    jlpmltrin
19    Q0    27556359    250    0.200000    jlpmltrin
22    Q0    27556359    336    -0.126274    jlpmltrin
22    Q0    27286264    428    -0.126274    jlpmltrin
23    Q0    27260160    533    -0.126274    jlpmltrin
25    Q0    27772866    705    -0.126274    jlpmltrin
25    Q0    27462917    865    -0.126274    jlpmltrin
29    Q0    27450290    568    -0.126274    jlpmltrin
29    Q0    27399421    764    -0.126274    jlpmltrin
31    Q0    27472389    110    -0.126274    jlpmltrin
38    Q0    27798096    642    -0.126274    jlpmltrin