update latexify regression tests

Author: ChrisRackauckas

test/latexify/20.tex

@@ -1,5 +1,5 @@
 \begin{align}
-\frac{\mathrm{d}}{\mathrm{d}t} u(t)_1 =& p_3 \left(  - u(t)_1 + u(t)_2 \right) \\
-0 =&  - u(t)_2 + \frac{1}{10} \left( p_1 - u(t)_1 \right) p_2 p_3 u(t)_1 \\
-\frac{\mathrm{d}}{\mathrm{d}t} u(t)_3 =& u(t)_2^{\frac{2}{3}} u(t)_1 - p_3 u(t)_3
+\frac{\mathrm{d} u\left( t \right)_{1}}{\mathrm{d}t} =& p_{3} \left(  - u\left( t \right)_{1} + u\left( t \right)_{2} \right) \\
+0 =&  - u\left( t \right)_{2} + \frac{1}{10} \left( p_{1} - u\left( t \right)_{1} \right) p_{2} p_{3} u\left( t \right)_{1} \\
+\frac{\mathrm{d} u\left( t \right)_{3}}{\mathrm{d}t} =& u\left( t \right)_{2}^{\frac{2}{3}} u\left( t \right)_{1} - p_{3} u\left( t \right)_{3}
 \end{align}

test/latexify/30.tex

@@ -1,5 +1,5 @@
 \begin{align}
-\frac{\mathrm{d}}{\mathrm{d}t} u(t)_1 =& p_3 \left(  - u(t)_1 + u(t)_2 \right) \\
-\frac{\mathrm{d}}{\mathrm{d}t} u(t)_2 =&  - u(t)_2 + \frac{1}{10} \left( p_1 - u(t)_1 \right) p_2 p_3 u(t)_1 \\
-\frac{\mathrm{d}}{\mathrm{d}t} u(t)_3 =& u(t)_2^{\frac{2}{3}} u(t)_1 - p_3 u(t)_3
+\frac{\mathrm{d} u\left( t \right)_{1}}{\mathrm{d}t} =& p_{3} \left(  - u\left( t \right)_{1} + u\left( t \right)_{2} \right) \\
+\frac{\mathrm{d} u\left( t \right)_{2}}{\mathrm{d}t} =&  - u\left( t \right)_{2} + \frac{1}{10} \left( p_{1} - u\left( t \right)_{1} \right) p_{2} p_{3} u\left( t \right)_{1} \\
+\frac{\mathrm{d} u\left( t \right)_{3}}{\mathrm{d}t} =& u\left( t \right)_{2}^{\frac{2}{3}} u\left( t \right)_{1} - p_{3} u\left( t \right)_{3}
 \end{align}