Fix formatting bug and update broken tests

Author: kgryte

lib/node_modules/@stdlib/ndarray/ctor/lib/set.js

@@ -61,7 +61,7 @@ function set() {
 	M = this._submode.length;
 	for ( i = 0; i < arguments.length-1; i++ ) {
 		if ( !isInteger( arguments[ i ] ) ) {
-			throw new TypeError( format( 'invalid argument. Indices must be integer valued. Argument: `%i`. Value: `%u`.', i, arguments[ i ] ) );
+			throw new TypeError( format( 'invalid argument. Indices must be integer valued. Argument: `%i`. Value: `%s`.', i, arguments[ i ] ) );
 		}
 		ind = getIndex( arguments[ i ], this._shape[ i ]-1, this._submode[ i%M ] ); // eslint-disable-line max-len
 		idx += this._strides[ i ] * ind;

lib/node_modules/@stdlib/ndarray/ctor/test/test.instance.tojson.js

@@ -68,7 +68,9 @@ tape( 'an ndarray constructor returns an instance which has a custom `toJSON()`
 		'shape': [ 2, 2 ],
 		'strides': [ 2, 1 ],
 		'order': 'row-major',
-		'flags': {}
+		'flags': {
+			'READONLY': false
+		}
 	};
 	actual = arr.toJSON();
 	t.deepEqual( actual, expected, 'returns expected value' );
@@ -107,7 +109,9 @@ tape( 'an ndarray constructor returns an instance which has a custom `toJSON()`
 		'shape': [ 2, 2 ],
 		'strides': [ 1, 2 ],
 		'order': 'column-major',
-		'flags': {}
+		'flags': {
+			'READONLY': false
+		}
 	};
 	actual = arr.toJSON();
 	t.deepEqual( actual, expected, 'returns expected value' );
@@ -146,7 +150,9 @@ tape( 'an ndarray constructor returns an instance which has a custom `toJSON()`
 		'shape': [],
 		'strides': [ 0 ],
 		'order': 'column-major',
-		'flags': {}
+		'flags': {
+			'READONLY': false
+		}
 	};
 	actual = arr.toJSON();
 	t.deepEqual( actual, expected, 'returns expected value' );
@@ -185,7 +191,9 @@ tape( 'an ndarray constructor returns an instance which has a custom `toJSON()`
 		'shape': [ 2, 2 ],
 		'strides': [ 2, 1 ],
 		'order': 'row-major',
-		'flags': {}
+		'flags': {
+			'READONLY': false
+		}
 	};
 	actual = arr.toJSON();
 	t.deepEqual( actual, expected, 'returns expected value' );