diff --git a/test/input_files/v4.1/failed/failed_body_chrom_001.vcf b/test/input_files/v4.1/failed/failed_body_chrom_001.vcf
index 6fe35f41f..b3f6542d0 100644
--- a/test/input_files/v4.1/failed/failed_body_chrom_001.vcf
+++ b/test/input_files/v4.1/failed/failed_body_chrom_001.vcf
@@ -1,4 +1,4 @@
 ##fileformat=VCFv4.1
-##CauseOfFailure=contig ID contains a colon
+##CauseOfFailure=contig ID contains a whitespace
 #CHROM	POS	ID	REF	ALT	QUAL	FILTER	INFO	FORMAT	HG00096	HG00097
-chr:1	13302	rs180734498	C	T	100	PASS	AN=2184;AC=249;AF=0.11	GT:DS:GL	0|0:0.050:-0.13,-0.58,-3.62	0|1:1.000:-2.45,-0.00,-5.00
+chr 1	13302	rs180734498	C	T	100	PASS	AN=2184;AC=249;AF=0.11	GT:DS:GL	0|0:0.050:-0.13,-0.58,-3.62	0|1:1.000:-2.45,-0.00,-5.00
diff --git a/test/input_files/v4.1/failed/failed_body_chrom_002.vcf b/test/input_files/v4.1/failed/failed_body_chrom_002.vcf
index b3f6542d0..646f5b973 100644
--- a/test/input_files/v4.1/failed/failed_body_chrom_002.vcf
+++ b/test/input_files/v4.1/failed/failed_body_chrom_002.vcf
@@ -1,4 +1,4 @@
 ##fileformat=VCFv4.1
-##CauseOfFailure=contig ID contains a whitespace
+##CauseOfFailure=contig ID contains a comma
 #CHROM	POS	ID	REF	ALT	QUAL	FILTER	INFO	FORMAT	HG00096	HG00097
-chr 1	13302	rs180734498	C	T	100	PASS	AN=2184;AC=249;AF=0.11	GT:DS:GL	0|0:0.050:-0.13,-0.58,-3.62	0|1:1.000:-2.45,-0.00,-5.00
+chr,1	13302	rs180734498	C	T	100	PASS	AN=2184;AC=249;AF=0.11	GT:DS:GL	0|0:0.050:-0.13,-0.58,-3.62	0|1:1.000:-2.45,-0.00,-5.00
diff --git a/test/input_files/v4.1/failed/failed_body_chrom_003.vcf b/test/input_files/v4.1/failed/failed_body_chrom_003.vcf
deleted file mode 100644
index 646f5b973..000000000
--- a/test/input_files/v4.1/failed/failed_body_chrom_003.vcf
+++ /dev/null
@@ -1,4 +0,0 @@
-##fileformat=VCFv4.1
-##CauseOfFailure=contig ID contains a comma
-#CHROM	POS	ID	REF	ALT	QUAL	FILTER	INFO	FORMAT	HG00096	HG00097
-chr,1	13302	rs180734498	C	T	100	PASS	AN=2184;AC=249;AF=0.11	GT:DS:GL	0|0:0.050:-0.13,-0.58,-3.62	0|1:1.000:-2.45,-0.00,-5.00
diff --git a/test/input_files/v4.2/failed/failed_body_chrom_001.vcf b/test/input_files/v4.2/failed/failed_body_chrom_001.vcf
index ac3666801..c5f55821f 100644
--- a/test/input_files/v4.2/failed/failed_body_chrom_001.vcf
+++ b/test/input_files/v4.2/failed/failed_body_chrom_001.vcf
@@ -1,4 +1,4 @@
 ##fileformat=VCFv4.2
-##CauseOfFailure=contig ID contains a colon
+##CauseOfFailure=contig ID contains a whitespace
 #CHROM	POS	ID	REF	ALT	QUAL	FILTER	INFO	FORMAT	HG00096	HG00097
-chr:1	13302	rs180734498	C	T	100	PASS	AN=2184;AC=249;AF=0.11	GT:DS:GL	0|0:0.050:-0.13,-0.58,-3.62	0|1:1.000:-2.45,-0.00,-5.00
+chr 1	13302	rs180734498	C	T	100	PASS	AN=2184;AC=249;AF=0.11	GT:DS:GL	0|0:0.050:-0.13,-0.58,-3.62	0|1:1.000:-2.45,-0.00,-5.00
diff --git a/test/input_files/v4.2/failed/failed_body_chrom_002.vcf b/test/input_files/v4.2/failed/failed_body_chrom_002.vcf
index c5f55821f..d9991f5e7 100644
--- a/test/input_files/v4.2/failed/failed_body_chrom_002.vcf
+++ b/test/input_files/v4.2/failed/failed_body_chrom_002.vcf
@@ -1,4 +1,4 @@
 ##fileformat=VCFv4.2
-##CauseOfFailure=contig ID contains a whitespace
+##CauseOfFailure=contig ID contains a comma
 #CHROM	POS	ID	REF	ALT	QUAL	FILTER	INFO	FORMAT	HG00096	HG00097
-chr 1	13302	rs180734498	C	T	100	PASS	AN=2184;AC=249;AF=0.11	GT:DS:GL	0|0:0.050:-0.13,-0.58,-3.62	0|1:1.000:-2.45,-0.00,-5.00
+chr,1	13302	rs180734498	C	T	100	PASS	AN=2184;AC=249;AF=0.11	GT:DS:GL	0|0:0.050:-0.13,-0.58,-3.62	0|1:1.000:-2.45,-0.00,-5.00
diff --git a/test/input_files/v4.2/failed/failed_body_chrom_003.vcf b/test/input_files/v4.2/failed/failed_body_chrom_003.vcf
deleted file mode 100644
index d9991f5e7..000000000
--- a/test/input_files/v4.2/failed/failed_body_chrom_003.vcf
+++ /dev/null
@@ -1,4 +0,0 @@
-##fileformat=VCFv4.2
-##CauseOfFailure=contig ID contains a comma
-#CHROM	POS	ID	REF	ALT	QUAL	FILTER	INFO	FORMAT	HG00096	HG00097
-chr,1	13302	rs180734498	C	T	100	PASS	AN=2184;AC=249;AF=0.11	GT:DS:GL	0|0:0.050:-0.13,-0.58,-3.62	0|1:1.000:-2.45,-0.00,-5.00
diff --git a/test/input_files/v4.3/failed/failed_body_chrom_001.vcf b/test/input_files/v4.3/failed/failed_body_chrom_001.vcf
index d5c7bb280..761e7fcd9 100644
--- a/test/input_files/v4.3/failed/failed_body_chrom_001.vcf
+++ b/test/input_files/v4.3/failed/failed_body_chrom_001.vcf
@@ -1,4 +1,4 @@
 ##fileformat=VCFv4.3
-##CauseOfFailure=contig ID contains a colon
+##CauseOfFailure=contig ID contains a whitespace
 #CHROM	POS	ID	REF	ALT	QUAL	FILTER	INFO	FORMAT	HG00096	HG00097
-chr:1	13302	rs180734498	C	T	100	PASS	AN=2184;AC=249;AF=0.11	GT:DS:GL	0|0:0.050:-0.13,-0.58,-3.62	0|1:1.000:-2.45,-0.00,-5.00
+chr 1	13302	rs180734498	C	T	100	PASS	AN=2184;AC=249;AF=0.11	GT:DS:GL	0|0:0.050:-0.13,-0.58,-3.62	0|1:1.000:-2.45,-0.00,-5.00
diff --git a/test/input_files/v4.3/failed/failed_body_chrom_002.vcf b/test/input_files/v4.3/failed/failed_body_chrom_002.vcf
index 761e7fcd9..0ee65c3a8 100644
--- a/test/input_files/v4.3/failed/failed_body_chrom_002.vcf
+++ b/test/input_files/v4.3/failed/failed_body_chrom_002.vcf
@@ -1,4 +1,4 @@
 ##fileformat=VCFv4.3
-##CauseOfFailure=contig ID contains a whitespace
+##CauseOfFailure=contig ID contains a comma
 #CHROM	POS	ID	REF	ALT	QUAL	FILTER	INFO	FORMAT	HG00096	HG00097
-chr 1	13302	rs180734498	C	T	100	PASS	AN=2184;AC=249;AF=0.11	GT:DS:GL	0|0:0.050:-0.13,-0.58,-3.62	0|1:1.000:-2.45,-0.00,-5.00
+chr,1	13302	rs180734498	C	T	100	PASS	AN=2184;AC=249;AF=0.11	GT:DS:GL	0|0:0.050:-0.13,-0.58,-3.62	0|1:1.000:-2.45,-0.00,-5.00
diff --git a/test/input_files/v4.3/failed/failed_body_chrom_003.vcf b/test/input_files/v4.3/failed/failed_body_chrom_003.vcf
index 0ee65c3a8..12ba0b83c 100644
--- a/test/input_files/v4.3/failed/failed_body_chrom_003.vcf
+++ b/test/input_files/v4.3/failed/failed_body_chrom_003.vcf
@@ -1,4 +1,4 @@
 ##fileformat=VCFv4.3
-##CauseOfFailure=contig ID contains a comma
+##CauseOfFailure=contig ID contains illegal character
 #CHROM	POS	ID	REF	ALT	QUAL	FILTER	INFO	FORMAT	HG00096	HG00097
-chr,1	13302	rs180734498	C	T	100	PASS	AN=2184;AC=249;AF=0.11	GT:DS:GL	0|0:0.050:-0.13,-0.58,-3.62	0|1:1.000:-2.45,-0.00,-5.00
+chr*1	13302	rs180734498	C	T	100	PASS	AN=2184;AC=249;AF=0.11	GT:DS:GL	0|0:0.050:-0.13,-0.58,-3.62	0|1:1.000:-2.45,-0.00,-5.00
diff --git a/test/input_files/v4.3/failed/failed_body_chrom_004.vcf b/test/input_files/v4.3/failed/failed_body_chrom_004.vcf
deleted file mode 100644
index 12ba0b83c..000000000
--- a/test/input_files/v4.3/failed/failed_body_chrom_004.vcf
+++ /dev/null
@@ -1,4 +0,0 @@
-##fileformat=VCFv4.3
-##CauseOfFailure=contig ID contains illegal character
-#CHROM	POS	ID	REF	ALT	QUAL	FILTER	INFO	FORMAT	HG00096	HG00097
-chr*1	13302	rs180734498	C	T	100	PASS	AN=2184;AC=249;AF=0.11	GT:DS:GL	0|0:0.050:-0.13,-0.58,-3.62	0|1:1.000:-2.45,-0.00,-5.00