algo/tests: Add test on min_cover_representative

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algo/tests/data/representative-few-reads.fa

+# seq1, 2, 3, 4 are identical
+# One insertion has been added both in seq4 and seq5 (different ones) in uppercase.
+>seq1
+ggctggagtgggtttcatacattagtagtaatagtggtgccatatactacgcagactctgtgaagggccgattcaccatc
+tccagaaacaatgccaaggactcactgtatctgcaaatgaacagcctgagagccgaggacacggctgtgtattactgtgc
+gagagcgatcccccggtattactatgatactagtggcccaaacgactactggggccagggaaccctggtcaccgtctcct
+cag
+>seq2
+ggctggagtgggtttcatacattagtagtaatagtggtgccatatactacgcagactctgtgaagggccgattcaccatc
+tccagaaacaatgccaaggactcactgtatctgcaaatgaacagcctgagagccgaggacacggctgtgtattactgtgc
+gagagcgatcccccggtattactatgatactagtggcccaaacgactactggggccagggaaccctggtcaccgtctcct
+cag
+>seq3
+ggctggagtgggtttcatacattagtagtaatagtggtgccatatactacgcagactctgtgaagggccgattcaccatc
+tccagaaacaatgccaaggactcactgtatctgcaaatgaacagcctgagagccgaggacacggctgtgtattactgtgc
+gagagcgatcccccggtattactatgatactagtggcccaaacgactactggggccagggaaccctggtcaccgtctcct
+cag
+>seq4
+ggctggagtgggtttcatacattagtagtaatagtggtgccatatactacgcagactctgtgaagggccgattcaccatc
+tccagaaacaatgccaaggactcactgtatctgcaaatgAaacagcctgagagccgaggacacggctgtgtattactgtgc
+gagagcgatcccccggtattactatgatactagtggcccaaacgactactggggccagggaaccctggtcaccgtctcct
+cag
+>seq5
+ggctggagtgggtttcatacattagtagtaatagtggtgccatatactacgcagactctgtgaagggccgattcaccatc
+tccagaaacaatgccaaggactcactgtatctgcaaatgaacagcctgagagAccgaggacacggctgtgtattactgtgc
+gagagcgatcccccggtattactatgatactagtggcccaaacgactactggggccagggaaccctggtcaccgtctcct
+cag

algo/tests/should-get-tests/representative-min-cover.should-get

+!LAUNCH: $VIDJIL_DIR/$EXEC $VIDJIL_DEFAULT_OPTIONS -r 5 -g $VIDJIL_DIR/germline/homo-sapiens.g:IGH $VIDJIL_DATA/representative-few-reads.fa
+
+$ Consensus sequence should span on the whole sequence
+1: clone.*99% of 243