Apply lint fix

Author: igonro

src/danfojs-browser/tests/core/frame.test.js

@@ -124,8 +124,10 @@ describe("DataFrame", function () {
       const df = new dfd.DataFrame(data);
 
       assert.throws(
-        () => df.addColumn("new_column", new dfd.Series([ "a", "b", "c" ])), Error,
-        'ParamError: Column data length mismatch. You provided data with length 3 but Ndframe has column of length 4');
+        () => df.addColumn("new_column", new dfd.Series([ "a", "b", "c" ])),
+        Error,
+        'ParamError: Column data length mismatch. You provided data with length 3 but Ndframe has column of length 4'
+      );
 
     });
     it("Ensure add column does not mutate parent when not in place", function () {

src/danfojs-browser/tests/core/generic.test.js

@@ -60,15 +60,19 @@ describe("Generic (NDFrame)", function () {
     it("Throws error on duplicate column name", function () {
       let data = [ [ 21, 20, 1 ], [ 20, 25, 3 ] ];
       assert.throws(
-        () => new dfd.NDframe({ data, isSeries: false, columns: [ "A", "A", "C" ] }), Error,
-        "ColumnIndexError: Column index must contain unique values");
+        () => new dfd.NDframe({ data, isSeries: false, columns: [ "A", "A", "C" ] }),
+        Error,
+        "ColumnIndexError: Column index must contain unique values"
+      );
     });
 
     it("Throws error on duplicate index", function () {
       let data = [ [ 21, 20, 1 ], [ 20, 25, 3 ], [ 19, 30, 5 ] ];
       assert.throws(
-        () => new dfd.NDframe({ data, isSeries: false, index: [ 1, 1, 2 ] }), Error,
-        "IndexError: Row index must contain unique values");
+        () => new dfd.NDframe({ data, isSeries: false, index: [ 1, 1, 2 ] }),
+        Error,
+        "IndexError: Row index must contain unique values"
+      );
     });
 
     it("Successfully create a 2D Frame when first value is empty", function () {