diff --git a/tests/data/csv/mac_newlines.csv b/tests/data/csv/mac_newlines.csv
index f18abbd0b..34c817967 100644
--- a/tests/data/csv/mac_newlines.csv
+++ b/tests/data/csv/mac_newlines.csv
@@ -1 +1 @@
-x,y,z
1,10,0
\ No newline at end of file
+x,y,z
1,10,9999.9999
\ No newline at end of file
diff --git a/tests/data/csv/pipe_delimiters.csv b/tests/data/csv/pipe_delimiters.csv
new file mode 100644
index 000000000..4d1d2af59
--- /dev/null
+++ b/tests/data/csv/pipe_delimiters.csv
@@ -0,0 +1,2 @@
+x|y|z
+0|0|hello
\ No newline at end of file
diff --git a/tests/data/csv/semicolon_delimiters.csv b/tests/data/csv/semicolon_delimiters.csv
new file mode 100644
index 000000000..ba61faed5
--- /dev/null
+++ b/tests/data/csv/semicolon_delimiters.csv
@@ -0,0 +1,2 @@
+x;y;z
+0;0;hello
\ No newline at end of file
diff --git a/tests/data/csv/tabs_in_csv.csv b/tests/data/csv/tabs_in_csv.csv
index 1137f4ae7..3718126c6 100644
--- a/tests/data/csv/tabs_in_csv.csv
+++ b/tests/data/csv/tabs_in_csv.csv
@@ -1,2 +1,2 @@
-x,	y,z
+x,	y,z                                 
 -122    ,		48,0
\ No newline at end of file
diff --git a/tests/data/csv/windows_newlines.csv b/tests/data/csv/windows_newlines.csv
index 3a6e88b89..07c0dc450 100644
--- a/tests/data/csv/windows_newlines.csv
+++ b/tests/data/csv/windows_newlines.csv
@@ -1,2 +1,2 @@
 x,y,z
-0,0,0
\ No newline at end of file
+1,10,9999.9999
\ No newline at end of file