tests: update tests for format_json.py

.json elements are sorted now by keys.

algo/tests/stanford-data.should_get

-!LAUNCH: ../../vidjil -G ../../germline/IGH -r 5 -b data  ../../data/Stanford_S22.fasta ; cat out/data.vidjil | python ../../tools/format_json.py
+!LAUNCH: ../../vidjil -G ../../germline/IGH -r 5 -b data  ../../data/Stanford_S22.fasta ; cat out/data.vidjil | python ../../tools/format_json.py -1
 
 $ Number of reads
-e1:"total": [13153],
+e1:"total": [13153]
 
 $ Number of segmented reads
 e1:"segmented": [13139]
 
 $ Most abundant window
-e1:"id": "CCACCTATTACTGTACCCGGGAGGAACAATATAGCAGCTGGTACTTTGACTTCTGGGGCC", "reads": [8]
+1:"id": "CCACCTATTACTGTACCCGGGAGGAACAATATAGCAGCTGGTACTTTGACTTCTGGGGCC".*"reads": \\[8\\]

algo/tests/stanford-fuse.should_get

-!LAUNCH: ../../vidjil -G ../../germline/IGH ../../data/Stanford_S22.fasta ; python ../../tools/fuse.py out/Stanford_S22.vidjil out/Stanford_S22.vidjil -o out/fused.data ; cat out/fused.data | python ../../tools/format_json.py
+!LAUNCH: ../../vidjil -G ../../germline/IGH ../../data/Stanford_S22.fasta ; python ../../tools/fuse.py out/Stanford_S22.vidjil out/Stanford_S22.vidjil -o out/fused.data ; cat out/fused.data | python ../../tools/format_json.py -1
 
 $ Points list
 e1:"original_names": ["../../data/Stanford_S22.fasta", "../../data/Stanford_S22.fasta"]
 
 $ Most abundant window, twice, fused 
-1:"reads": \\[8, 8\\].*"id": "CCACCTATTACTGTACCCGGGAGGAACAATATAGCAGCTGGTACTTTGACTTCTGGGGCC"},.*"top": 2
+1:"id": "CCACCTATTACTGTACCCGGGAGGAACAATATAGCAGCTGGTACTTTGACTTCTGGGGCC".*"reads": \\[8, 8\\].*"top": 2
 
 # Fails since 49046ca6b97, no more 'others'
 $ Windows that are not in the top 50