test: fix descriptions and clean-up

Signed-off-by: Athan <[email protected]>

Author: kgryte

lib/node_modules/@stdlib/blas/ext/last-index-of/test/test.assign.js

@@ -1072,7 +1072,7 @@ tape( 'the function throws an error if provided a `dim` option which is not an i
 	}
 });
 
-tape( 'the function returns the first index of a specified search element in an ndarray (row-major)', function test( t ) {
+tape( 'the function returns the last index of a specified search element in an ndarray (row-major)', function test( t ) {
 	var expected;
 	var actual;
 	var xbuf;
@@ -1114,7 +1114,7 @@ tape( 'the function returns the first index of a specified search element in an
 	t.end();
 });
 
-tape( 'the function returns the first index of a specified search element in an ndarray (column-major)', function test( t ) {
+tape( 'the function returns the last index of a specified search element in an ndarray (column-major)', function test( t ) {
 	var expected;
 	var actual;
 	var xbuf;
@@ -1548,7 +1548,7 @@ tape( 'the function supports providing a from index (0d ndarray, options)', func
 	t.end();
 });
 
-tape( 'the function supports providing a from index and operation dimension', function test( t ) {
+tape( 'the function supports providing a from index (scalar, broadcasted)', function test( t ) {
 	var expected;
 	var actual;
 	var xbuf;
@@ -1613,7 +1613,7 @@ tape( 'the function supports providing a from index and operation dimension', fu
 	t.end();
 });
 
-tape( 'the function supports providing a from index and operation dimension (0d ndarray)', function test( t ) {
+tape( 'the function supports providing a from index (0d ndarray, broadcasted)', function test( t ) {
 	var expected;
 	var fromIdx;
 	var actual;
@@ -1682,7 +1682,7 @@ tape( 'the function supports providing a from index and operation dimension (0d
 	t.end();
 });
 
-tape( 'the function supports providing an ndarray from index and search element with operation dimension (1d ndarray)', function test( t ) {
+tape( 'the function supports providing a from index (ndarray)', function test( t ) {
 	var searchElement;
 	var expected;
 	var fromIdx;