added note tests

tests/note/position/.gitignore

@@ -0,0 +1,4 @@
+# generated by tytanic, do not edit
+
+diff/**
+out/**

tests/note/position/test.typ

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+#set page(width: auto, height: auto)
+#import "/src/lib.typ": *
+
+#diagram({
+  _par("a", display-name: "Alice")
+  _par("b", display-name: "Bob")
+
+  _seq("a", "b", comment: [hello])
+  _note("left", [this is a first note])
+
+  _seq("b", "a", comment: [ok])
+  _note("right", [this is another note])
+
+  _seq("b", "b", comment: [I am thinking])
+  _note("left", [a note\ can also be defined\ on several lines])
+})
+
+#pagebreak()
+
+#diagram({
+  _par("a", display-name: "Alice")
+  _par("b", display-name: "Bob")
+
+  _note("over", [initial state of Alice], pos: "a")
+  _note("over", [initial state of Bob], pos: "b")
+  _seq("b", "a", comment: [hello])
+})
+
+#pagebreak()
+
+#diagram({
+  _par("a", display-name: "Alice")
+  _par("b", display-name: "Bob")
+  _par("c", display-name: "Charlie")
+  _par("d", display-name: "Donald")
+  _par("e", display-name: "Eddie")
+
+  _note("across", [This note float above all participants])
+
+  _note("over", [initial state of Alice], pos: "a")
+  _note("over", [initial state of Bob the builder], pos: "b", aligned: true)
+
+  _note("over", [Note 1], pos: "a")
+  _note("over", [Note 2], pos: "b", aligned: true)
+  _note("over", [Note 3], pos: "c", aligned: true)
+
+  _seq("a", "d")
+  _note("over", [this is an extremely long note], pos: ("d", "e"))
+})