Update reference tests

Author: ChrisRackauckas

test/latexify/20.tex

@@ -1,5 +1,5 @@
 \begin{align}
-\frac{du{_1}(t)}{dt} =& \left(  - \mathrm{u{_1}}\left( t \right) + \mathrm{u{_2}}\left( t \right) \right) p{_3} \\
-0 =&  - \mathrm{u{_2}}\left( t \right) + \frac{1}{10} \left(  - \mathrm{u{_1}}\left( t \right) + p{_1} \right) \mathrm{u{_1}}\left( t \right) p{_2} p{_3} \\
-\frac{du{_3}(t)}{dt} =& \left( \mathrm{u{_2}}\left( t \right) \right)^{\frac{2}{3}} \mathrm{u{_1}}\left( t \right) - \mathrm{u{_3}}\left( t \right) p{_3}
+\frac{du_1(t)}{dt} =& \left(  - \mathrm{u_1}\left( t \right) + \mathrm{u_2}\left( t \right) \right) p_3 \\
+0 =&  - \mathrm{u_2}\left( t \right) + \frac{1}{10} \left(  - \mathrm{u_1}\left( t \right) + p_1 \right) \mathrm{u_1}\left( t \right) p_2 p_3 \\
+\frac{du_3(t)}{dt} =& \left( \mathrm{u_2}\left( t \right) \right)^{\frac{2}{3}} \mathrm{u_1}\left( t \right) - \mathrm{u_3}\left( t \right) p_3
 \end{align}

test/latexify/30.tex

@@ -1,5 +1,5 @@
 \begin{align}
-\frac{du{_1}(t)}{dt} =& \left(  - \mathrm{u{_1}}\left( t \right) + \mathrm{u{_2}}\left( t \right) \right) p{_3} \\
-\frac{du{_2}(t)}{dt} =&  - \mathrm{u{_2}}\left( t \right) + \frac{1}{10} \left(  - \mathrm{u{_1}}\left( t \right) + p{_1} \right) \mathrm{u{_1}}\left( t \right) p{_2} p{_3} \\
-\frac{du{_3}(t)}{dt} =& \left( \mathrm{u{_2}}\left( t \right) \right)^{\frac{2}{3}} \mathrm{u{_1}}\left( t \right) - \mathrm{u{_3}}\left( t \right) p{_3}
+\frac{du_1(t)}{dt} =& \left(  - \mathrm{u_1}\left( t \right) + \mathrm{u_2}\left( t \right) \right) p_3 \\
+\frac{du_2(t)}{dt} =&  - \mathrm{u_2}\left( t \right) + \frac{1}{10} \left(  - \mathrm{u_1}\left( t \right) + p_1 \right) \mathrm{u_1}\left( t \right) p_2 p_3 \\
+\frac{du_3(t)}{dt} =& \left( \mathrm{u_2}\left( t \right) \right)^{\frac{2}{3}} \mathrm{u_1}\left( t \right) - \mathrm{u_3}\left( t \right) p_3
 \end{align}