removeBridge pass tests
diff --git a/genomix/genomix-pregelix/data/input/graphs/pathmerge/singleread.txt b/genomix/genomix-pregelix/data/input/graphs/pathmerge/singleread.txt
new file mode 100644
index 0000000..7a3e64f
--- /dev/null
+++ b/genomix/genomix-pregelix/data/input/graphs/pathmerge/singleread.txt
@@ -0,0 +1,4 @@
+((1,1) [(1,2)] [] [] [] AATAG) (null)
+((1,2) [(1,3)] [] [] [(1,1)] ATAGA) (null)
+((1,3) [(1,4)] [] [] [(1,2)] TAGAA) (null)
+((1,4) [] [] [] [(1,3)] AGAAG) (null)
diff --git a/genomix/genomix-pregelix/data/input/graphs/pathmerge/singleread.txt.svg b/genomix/genomix-pregelix/data/input/graphs/pathmerge/singleread.txt.svg
new file mode 100644
index 0000000..efaf9e1
--- /dev/null
+++ b/genomix/genomix-pregelix/data/input/graphs/pathmerge/singleread.txt.svg
@@ -0,0 +1,142 @@
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+ "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
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+<g id="graph2" class="cluster"><title>cluster_legend</title>
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+<text text-anchor="middle" x="130" y="-192.4" font-family="Times Roman,serif" font-size="14.00">legend</text>
+</g>
+<g id="graph3" class="cluster"><title>cluster_1</title>
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+<g id="node2" class="node"><title>legend_0_0</title>
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+</g>
+<!-- legend_1_0 -->
+<g id="node3" class="node"><title>legend_1_0</title>
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+</g>
+<!-- legend_0_0->legend_1_0 -->
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+<!-- legend_0_1 -->
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+<!-- legend_1_1 -->
+<g id="node6" class="node"><title>legend_1_1</title>
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+</g>
+<!-- legend_0_1->legend_1_1 -->
+<g id="edge5" class="edge"><title>legend_0_1->legend_1_1</title>
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+</g>
+<!-- legend_0_2 -->
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+<ellipse fill="black" stroke="black" cx="59" cy="-75" rx="1.8" ry="1.8"/>
+</g>
+<!-- legend_1_2 -->
+<g id="node9" class="node"><title>legend_1_2</title>
+<ellipse fill="black" stroke="black" cx="201" cy="-75" rx="1.8" ry="1.8"/>
+</g>
+<!-- legend_0_2->legend_1_2 -->
+<g id="edge7" class="edge"><title>legend_0_2->legend_1_2</title>
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+<text text-anchor="middle" x="130" y="-80.4" font-family="Times Roman,serif" font-size="14.00">RF</text>
+</g>
+<!-- legend_0_3 -->
+<g id="node11" class="node"><title>legend_0_3</title>
+<ellipse fill="black" stroke="black" cx="59" cy="-34" rx="1.8" ry="1.8"/>
+</g>
+<!-- legend_1_3 -->
+<g id="node12" class="node"><title>legend_1_3</title>
+<ellipse fill="black" stroke="black" cx="201" cy="-34" rx="1.8" ry="1.8"/>
+</g>
+<!-- legend_0_3->legend_1_3 -->
+<g id="edge9" class="edge"><title>legend_0_3->legend_1_3</title>
+<path fill="none" stroke="#218559" d="M61.0074,-34C74.8673,-34 156.744,-34 188.46,-34"/>
+<polygon fill="#218559" stroke="#218559" points="188.862,-37.5001 198.862,-34 188.861,-30.5001 188.862,-37.5001"/>
+<text text-anchor="middle" x="130" y="-39.4" font-family="Times Roman,serif" font-size="14.00">RR</text>
+</g>
+<!-- 1,1 -->
+<g id="node15" class="node"><title>1,1</title>
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+<text text-anchor="start" x="39.5" y="-272.167" font-family="Times Roman,serif" font-size="10.00">1,1--null</text>
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+<text text-anchor="start" x="45.5" y="-243.667" font-family="Times Roman,serif" font-size="10.00">CTATT</text>
+</g>
+<!-- 1,2 -->
+<g id="node16" class="node"><title>1,2</title>
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+<text text-anchor="start" x="181.5" y="-272.167" font-family="Times Roman,serif" font-size="10.00">1,2--null</text>
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+<text text-anchor="start" x="187.5" y="-243.667" font-family="Times Roman,serif" font-size="10.00">TCTAT</text>
+</g>
+<!-- 1,1->1,2 -->
+<g id="edge12" class="edge"><title>1,1->1,2</title>
+<path fill="none" stroke="#dd1e2f" d="M101.605,-254.755C116.207,-254.208 132.729,-254.105 148.049,-254.448"/>
+<polygon fill="#dd1e2f" stroke="#dd1e2f" points="148.326,-257.957 158.425,-254.756 148.534,-250.96 148.326,-257.957"/>
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+<!-- 1,2->1,1 -->
+<g id="edge16" class="edge"><title>1,2->1,1</title>
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+<polygon fill="#218559" stroke="#218559" points="111.704,-264.043 101.605,-267.245 111.497,-271.04 111.704,-264.043"/>
+</g>
+<!-- 1,3 -->
+<g id="node17" class="node"><title>1,3</title>
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+<text text-anchor="start" x="311.5" y="-243.667" font-family="Times Roman,serif" font-size="10.00">TTCTA</text>
+</g>
+<!-- 1,2->1,3 -->
+<g id="edge14" class="edge"><title>1,2->1,3</title>
+<path fill="none" stroke="#dd1e2f" d="M243.327,-254.562C252.601,-254.258 262.531,-254.176 272.159,-254.316"/>
+<polygon fill="#dd1e2f" stroke="#dd1e2f" points="272.364,-257.822 282.443,-254.554 272.527,-250.823 272.364,-257.822"/>
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+<!-- 1,3->1,2 -->
+<g id="edge20" class="edge"><title>1,3->1,2</title>
+<path fill="none" stroke="#218559" d="M282.443,-267.446C273.158,-267.745 263.225,-267.824 253.602,-267.681"/>
+<polygon fill="#218559" stroke="#218559" points="253.407,-264.175 243.327,-267.438 253.242,-271.173 253.407,-264.175"/>
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+<!-- 1,4 -->
+<g id="node18" class="node"><title>1,4</title>
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+<text text-anchor="start" x="435" y="-243.667" font-family="Times Roman,serif" font-size="10.00">CTTCT</text>
+</g>
+<!-- 1,3->1,4 -->
+<g id="edge18" class="edge"><title>1,3->1,4</title>
+<path fill="none" stroke="#dd1e2f" d="M367.327,-254.562C376.601,-254.258 386.531,-254.176 396.159,-254.316"/>
+<polygon fill="#dd1e2f" stroke="#dd1e2f" points="396.364,-257.822 406.443,-254.554 396.527,-250.823 396.364,-257.822"/>
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+<!-- 1,4->1,3 -->
+<g id="edge22" class="edge"><title>1,4->1,3</title>
+<path fill="none" stroke="#218559" d="M406.443,-267.446C397.158,-267.745 387.225,-267.824 377.602,-267.681"/>
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diff --git a/genomix/genomix-pregelix/data/input/graphs/pathmerge/singleread/.part-0.crc b/genomix/genomix-pregelix/data/input/graphs/pathmerge/singleread/.part-0.crc
new file mode 100644
index 0000000..b972cba
--- /dev/null
+++ b/genomix/genomix-pregelix/data/input/graphs/pathmerge/singleread/.part-0.crc
Binary files differ
diff --git a/genomix/genomix-pregelix/data/input/graphs/pathmerge/singleread/.part-1.crc b/genomix/genomix-pregelix/data/input/graphs/pathmerge/singleread/.part-1.crc
new file mode 100644
index 0000000..23505c8
--- /dev/null
+++ b/genomix/genomix-pregelix/data/input/graphs/pathmerge/singleread/.part-1.crc
Binary files differ
diff --git a/genomix/genomix-pregelix/data/input/graphs/pathmerge/singleread/part-0 b/genomix/genomix-pregelix/data/input/graphs/pathmerge/singleread/part-0
new file mode 100755
index 0000000..39d79bc
--- /dev/null
+++ b/genomix/genomix-pregelix/data/input/graphs/pathmerge/singleread/part-0
Binary files differ
diff --git a/genomix/genomix-pregelix/data/input/graphs/pathmerge/singleread/part-1 b/genomix/genomix-pregelix/data/input/graphs/pathmerge/singleread/part-1
new file mode 100755
index 0000000..e49fcdd
--- /dev/null
+++ b/genomix/genomix-pregelix/data/input/graphs/pathmerge/singleread/part-1
Binary files differ
